### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) and this hasn't been reported yet - [x] This is a single bug report (please file separate reports for different bugs) - [x] I am using the latest version of Claude Code ### What's Wrong? I updated claude desktop and it blew up. Tried re-download it, and it will not load. Followed all or claude.ai suggestions, they said send this log in

[BUG] MSIX variant again

Resolved 💬 1 comment Opened Jul 13, 2026 by garyeubanks Closed Jul 16, 2026
Preflight Checklist

[x] I have searched existing issues and this hasn't been reported yet
[x] This is a single bug report (please file separate reports for different bugs)
[x] I am using the latest version of Claude Code
What's Wrong?

I updated claude desktop and it blew up. Tried re-download it, and it will not load. Followed all or claude.ai suggestions, they said send this log in and ask for help.
What Should Happen?

Claude desktop should work
Error Messages/Logs

2026/07/03 10:34:45.633585 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/03 10:34:45.635031 === Claude Setup ebf1a166e82541b54229aa620d117c60923a939a started ===
2026/07/03 10:34:45.637434 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/03 10:34:45.637994 Windows edition: Core
2026/07/03 10:34:45.639064 WARNING: CoworkVMService already exists (potential conflict)
2026/07/03 10:34:45.639064 Windows version: 10.0.22621
2026/07/03 10:34:45.639064 Native arch: x64
2026/07/03 10:34:45.639064 Elevation type: Limited
2026/07/03 10:34:45.639605 Is elevated: false
2026/07/03 10:34:45.639605 Sideloading enabled: true
2026/07/03 10:34:45.639605 S Mode: false
2026/07/03 10:34:45.639605 Conflicting service: true
2026/07/03 10:34:45.639605 Running in non-elevated context
2026/07/03 10:34:45.639605 User can elevate — installing MSIX directly
2026/07/03 10:34:45.692521 Splash: 400x300, 8 frame(s), animated=true
2026/07/03 10:34:45.692521 System DPI: 120 (scale: 125%)
2026/07/03 10:34:45.814198 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/07/03 10:34:45.815286 Downloading MSIX to C:\Users\User\AppData\Local\Temp\Claude-332654892.msix
2026/07/03 10:34:45.849282 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/07/03 10:34:46.074769 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.18286.0/Claude-259c3fc2a647e4222ca15e99bba9b2649f31f051.msix"): winapi error #12180
2026/07/03 10:34:49.779680 Download progress: 10% (23560016 / 235564380 bytes)
2026/07/03 10:34:53.007838 Download progress: 20% (47120032 / 235564380 bytes)
2026/07/03 10:34:57.419586 Download progress: 30% (70679472 / 235564380 bytes)
2026/07/03 10:35:00.789965 Download progress: 40% (94255872 / 235564380 bytes)
2026/07/03 10:35:04.106065 Download progress: 50% (117800064 / 235564380 bytes)
2026/07/03 10:35:06.607767 Download progress: 60% (141343696 / 235564380 bytes)
2026/07/03 10:35:09.923171 Download progress: 70% (164919520 / 235564380 bytes)
2026/07/03 10:35:15.188323 Download progress: 80% (188463152 / 235564380 bytes)
2026/07/03 10:35:20.023250 Download progress: 90% (212039552 / 235564380 bytes)
2026/07/03 10:35:24.712174 Download progress: 100% (235564380 / 235564380 bytes)
2026/07/03 10:35:24.995433 Download complete: 235564380 bytes, SHA256: 7927bafc45478d87d3213d9b9afb27bba58bc32b4fe9aa58a106cbfc139d0d3c
2026/07/03 10:35:25.328518 Download complete
2026/07/03 10:35:25.482084 Self-elevating: C:\Users\User\Claude Setup.exe --elevated --msix-path "C:\Users\User\AppData\Local\Temp\Claude-332654892.msix" --log-path "C:\Users\User\AppData\Local\Temp\ClaudeSetup.log"
2026/07/03 10:35:38.870774 Elevation failed: ShellExecuteEx failed: The operation was canceled by the user.
2026/07/03 10:35:38.870774 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/07/12 21:02:45.051990 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:02:45.052776 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:02:45.054027 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:02:45.054027 Windows edition: Core
2026/07/12 21:02:45.055123 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:02:45.055213 Windows version: 10.0.22621
2026/07/12 21:02:45.055213 Native arch: x64
2026/07/12 21:02:45.055213 Elevation type: Limited
2026/07/12 21:02:45.055213 Is elevated: false
2026/07/12 21:02:45.055213 Sideloading enabled: true
2026/07/12 21:02:45.055213 S Mode: false
2026/07/12 21:02:45.055213 Conflicting service: true
2026/07/12 21:02:45.055213 Running in non-elevated context
2026/07/12 21:02:45.055213 User can elevate — installing MSIX directly
2026/07/12 21:02:45.092271 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:02:45.092810 System DPI: 120 (scale: 125%)
2026/07/12 21:02:45.204007 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/07/12 21:02:45.204086 Downloading MSIX to C:\Users\User\AppData\Local\Temp\Claude-449501449.msix
2026/07/12 21:02:45.228447 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/07/12 21:02:45.278832 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:02:45.279391 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:02:45.281029 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:02:45.281029 Windows edition: Core
2026/07/12 21:02:45.281594 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:02:45.281594 Windows version: 10.0.22621
2026/07/12 21:02:45.281594 Native arch: x64
2026/07/12 21:02:45.281594 Elevation type: Limited
2026/07/12 21:02:45.281594 Is elevated: false
2026/07/12 21:02:45.281594 Sideloading enabled: true
2026/07/12 21:02:45.281594 S Mode: false
2026/07/12 21:02:45.281594 Conflicting service: true
2026/07/12 21:02:45.281594 Running in non-elevated context
2026/07/12 21:02:45.281594 User can elevate — installing MSIX directly
2026/07/12 21:02:45.314283 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:02:45.314283 System DPI: 120 (scale: 125%)
2026/07/12 21:02:45.382272 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/07/12 21:02:45.383144 Downloading MSIX to C:\Users\User\AppData\Local\Temp\Claude-1809308092.msix
2026/07/12 21:02:45.402072 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/07/12 21:02:45.616085 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.20186.1/Claude-df1d8a339dfabcf359af7144fe142b59ff7d9a0f.msix"): winapi error #12180
2026/07/12 21:02:45.767606 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.20186.1/Claude-df1d8a339dfabcf359af7144fe142b59ff7d9a0f.msix"): winapi error #12180
2026/07/12 21:03:00.858282 Download progress: 10% (25624384 / 256134790 bytes)
2026/07/12 21:03:02.699578 Download progress: 10% (25640768 / 256134790 bytes)
2026/07/12 21:03:10.768257 Download progress: 20% (51232384 / 256134790 bytes)
2026/07/12 21:03:12.659625 Download progress: 20% (51232384 / 256134790 bytes)
2026/07/12 21:03:21.940426 Download progress: 30% (76856192 / 256134790 bytes)
2026/07/12 21:03:24.146730 Download progress: 30% (76856192 / 256134790 bytes)
2026/07/12 21:03:31.037788 Download progress: 40% (102464192 / 256134790 bytes)
2026/07/12 21:03:37.559255 Download progress: 50% (128072752 / 256134790 bytes)
2026/07/12 21:03:41.971339 Download progress: 40% (102464192 / 256134790 bytes)
2026/07/12 21:03:42.427938 Download progress: 60% (153696576 / 256134790 bytes)
2026/07/12 21:03:46.183976 Download progress: 70% (179304560 / 256134790 bytes)
2026/07/12 21:03:49.865320 Download progress: 80% (204912560 / 256134790 bytes)
2026/07/12 21:03:54.772378 Download progress: 90% (230536944 / 256134790 bytes)
2026/07/12 21:04:00.940110 Download progress: 100% (256134790 / 256134790 bytes)
2026/07/12 21:04:00.942307 Download complete: 256134790 bytes, SHA256: 853a0083a7dd1a165f0a186ac37cbf18cf209792d544d127fb25460fe7ad82d8
2026/07/12 21:04:00.942839 Download complete
2026/07/12 21:04:00.974488 Self-elevating: C:\Users\User\AppData\Local\Temp\MicrosoftEdgeDownloads\d6a084ff-2441-472e-8e29-d58f78199ef4\Claude Setup.exe --elevated --msix-path "C:\Users\User\AppData\Local\Temp\Claude-1809308092.msix" --log-path "C:\Users\User\AppData\Local\Temp\ClaudeSetup.log"
2026/07/12 21:04:03.794782 Download progress: 50% (128072752 / 256134790 bytes)
2026/07/12 21:04:05.648089 Waiting for elevated process to complete...
2026/07/12 21:04:05.659291 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:04:05.659837 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:04:05.661433 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:04:05.661433 Windows edition: Core
2026/07/12 21:04:05.661959 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:04:05.662497 Windows version: 10.0.22621
2026/07/12 21:04:05.662497 Native arch: x64
2026/07/12 21:04:05.662497 Elevation type: Full
2026/07/12 21:04:05.662497 Is elevated: true
2026/07/12 21:04:05.662497 Sideloading enabled: true
2026/07/12 21:04:05.662497 S Mode: false
2026/07/12 21:04:05.662497 Conflicting service: true
2026/07/12 21:04:05.662497 Running in elevated context
2026/07/12 21:04:05.662497 Installing MSIX from C:\Users\User\AppData\Local\Temp\Claude-1809308092.msix (all-users: false)
2026/07/12 21:04:05.699114 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:04:05.699114 System DPI: 120 (scale: 125%)
2026/07/12 21:04:05.746266 Verifying Authenticode signature on C:\Users\User\AppData\Local\Temp\Claude-1809308092.msix
2026/07/12 21:04:08.038554 WinVerifyTrust: MSIX signature is valid
2026/07/12 21:04:08.573945 Signature verified: MSIX signer matches bootstrapper
2026/07/12 21:04:08.576154 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/07/12 21:04:08.576154 Squirrel process prefix: c:\users\user\appdata\local\anthropicclaude\
2026/07/12 21:04:08.576154 Checking for running Squirrel Claude processes...
2026/07/12 21:04:08.598810 No Squirrel Claude processes found
2026/07/12 21:04:08.598810 Removing conflicting CoworkVMService...
2026/07/12 21:04:08.598810 WARNING: failed to remove conflicting service: could not open CoworkVMService: Access is denied.
2026/07/12 21:04:08.598810 Checking for existing Claude MSIX packages...
2026/07/12 21:04:08.622373 Removing: Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:04:08.905257 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:04:08.905257 Removing: Claude_1.20186.1.0_x64__pzs8sxrjxfjjc
2026/07/12 21:04:08.909351 Windows rejected data-preserving removal for Claude_1.20186.1.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:04:08.922411 Removing (user): Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:04:08.925811 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:04:08.925811 Installing MSIX: C:\Users\User\AppData\Local\Temp\Claude-1809308092.msix
2026/07/12 21:04:08.925811 Standard install (not split-account), using AddPackage
2026/07/12 21:04:08.925811 Installing via AddPackage (current-user)...
2026/07/12 21:04:12.211893 Download progress: 60% (153697136 / 256134790 bytes)
2026/07/12 21:04:20.243187 Download progress: 70% (179304560 / 256134790 bytes)
2026/07/12 21:04:27.370577 Download progress: 80% (204912560 / 256134790 bytes)
2026/07/12 21:04:32.989224 Download progress: 90% (230536944 / 256134790 bytes)
2026/07/12 21:04:39.774796 Download progress: 100% (256134790 / 256134790 bytes)
2026/07/12 21:04:39.776749 Download complete: 256134790 bytes, SHA256: 853a0083a7dd1a165f0a186ac37cbf18cf209792d544d127fb25460fe7ad82d8
2026/07/12 21:04:39.777285 Download complete
2026/07/12 21:04:39.812329 Self-elevating: C:\Users\User\AppData\Local\Temp\MicrosoftEdgeDownloads\d6a084ff-2441-472e-8e29-d58f78199ef4\Claude Setup.exe --elevated --msix-path "C:\Users\User\AppData\Local\Temp\Claude-449501449.msix" --log-path "C:\Users\User\AppData\Local\Temp\ClaudeSetup.log"
2026/07/12 21:04:47.081605 Waiting for elevated process to complete...
2026/07/12 21:04:47.093089 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:04:47.093165 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:04:47.094990 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:04:47.094990 Windows edition: Core
2026/07/12 21:04:47.096157 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:04:47.096157 Windows version: 10.0.22621
2026/07/12 21:04:47.096157 Native arch: x64
2026/07/12 21:04:47.096157 Elevation type: Full
2026/07/12 21:04:47.096157 Is elevated: true
2026/07/12 21:04:47.096157 Sideloading enabled: true
2026/07/12 21:04:47.096157 S Mode: false
2026/07/12 21:04:47.096157 Conflicting service: true
2026/07/12 21:04:47.096157 Running in elevated context
2026/07/12 21:04:47.096157 Installing MSIX from C:\Users\User\AppData\Local\Temp\Claude-449501449.msix (all-users: false)
2026/07/12 21:04:47.130381 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:04:47.130381 System DPI: 120 (scale: 125%)
2026/07/12 21:04:47.219444 Verifying Authenticode signature on C:\Users\User\AppData\Local\Temp\Claude-449501449.msix
2026/07/12 21:04:49.644583 WinVerifyTrust: MSIX signature is valid
2026/07/12 21:04:50.141780 Signature verified: MSIX signer matches bootstrapper
2026/07/12 21:04:50.143347 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/07/12 21:04:50.143347 Squirrel process prefix: c:\users\user\appdata\local\anthropicclaude\
2026/07/12 21:04:50.143347 Checking for running Squirrel Claude processes...
2026/07/12 21:04:50.169419 No Squirrel Claude processes found
2026/07/12 21:04:50.169521 Removing conflicting CoworkVMService...
2026/07/12 21:04:50.169691 WARNING: failed to remove conflicting service: could not open CoworkVMService: Access is denied.
2026/07/12 21:04:50.169691 Checking for existing Claude MSIX packages...
2026/07/12 21:04:50.180172 Removing: Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:04:50.477847 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:04:50.477847 Removing: Claude_1.20186.1.0_x64__pzs8sxrjxfjjc
2026/07/12 21:04:50.480938 Windows rejected data-preserving removal for Claude_1.20186.1.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:04:50.491399 Removing (user): Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:04:50.494348 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:04:50.494348 Installing MSIX: C:\Users\User\AppData\Local\Temp\Claude-449501449.msix
2026/07/12 21:04:50.494348 Standard install (not split-account), using AddPackage
2026/07/12 21:04:50.494348 Installing via AddPackage (current-user)...
2026/07/12 21:09:08.950987 MSIX installation failed: AddPackage failed: AddPackage timed out after 5 minutes
2026/07/12 21:09:08.951493 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage timed out after 5 minutes

Please share this log with us.
2026/07/12 21:09:50.529398 MSIX installation failed: AddPackage failed: AddPackage timed out after 5 minutes
2026/07/12 21:09:50.529398 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage timed out after 5 minutes

Please share this log with us.
2026/07/12 21:11:51.754434 Elevated process exited with code 1
2026/07/12 21:11:51.754991 Elevation failed: elevated installer exited with code 1
2026/07/12 21:11:51.754991 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/07/12 21:12:05.028714 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:12:05.028714 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:12:05.030092 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:12:05.030598 Windows edition: Core
2026/07/12 21:12:05.031181 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:12:05.031181 Windows version: 10.0.22621
2026/07/12 21:12:05.031181 Native arch: x64
2026/07/12 21:12:05.031181 Elevation type: Limited
2026/07/12 21:12:05.031181 Is elevated: false
2026/07/12 21:12:05.031181 Sideloading enabled: true
2026/07/12 21:12:05.031181 S Mode: false
2026/07/12 21:12:05.031181 Conflicting service: true
2026/07/12 21:12:05.031181 Running in non-elevated context
2026/07/12 21:12:05.031181 User can elevate — installing MSIX directly
2026/07/12 21:12:05.063827 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:12:05.063827 System DPI: 120 (scale: 125%)
2026/07/12 21:12:05.140995 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/07/12 21:12:05.141087 Downloading MSIX to C:\Users\User\AppData\Local\Temp\Claude-2570322227.msix
2026/07/12 21:12:05.161559 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/07/12 21:12:05.608569 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.20186.1/Claude-df1d8a339dfabcf359af7144fe142b59ff7d9a0f.msix"): winapi error #12180
2026/07/12 21:12:12.292304 Download progress: 10% (25624384 / 256134790 bytes)
2026/07/12 21:12:19.019348 Download progress: 20% (51232384 / 256134790 bytes)
2026/07/12 21:12:27.356218 Download progress: 30% (76856192 / 256134790 bytes)
2026/07/12 21:12:35.373285 Download progress: 40% (102464192 / 256134790 bytes)
2026/07/12 21:12:41.974951 Download progress: 50% (128072752 / 256134790 bytes)
2026/07/12 21:12:46.429566 Download progress: 60% (153713520 / 256134790 bytes)
2026/07/12 21:12:50.277406 Download progress: 70% (179305136 / 256134790 bytes)
2026/07/12 21:12:55.515482 Download progress: 80% (204912560 / 256134790 bytes)
2026/07/12 21:12:59.916344 Download progress: 90% (230536944 / 256134790 bytes)
2026/07/12 21:13:05.313688 Download progress: 100% (256134790 / 256134790 bytes)
2026/07/12 21:13:05.315945 Download complete: 256134790 bytes, SHA256: 853a0083a7dd1a165f0a186ac37cbf18cf209792d544d127fb25460fe7ad82d8
2026/07/12 21:13:05.316452 Download complete
2026/07/12 21:13:05.343836 Self-elevating: C:\Users\User\AppData\Local\Temp\MicrosoftEdgeDownloads\d6a084ff-2441-472e-8e29-d58f78199ef4\Claude Setup.exe --elevated --msix-path "C:\Users\User\AppData\Local\Temp\Claude-2570322227.msix" --log-path "C:\Users\User\AppData\Local\Temp\ClaudeSetup.log"
2026/07/12 21:13:08.692218 Waiting for elevated process to complete...
2026/07/12 21:13:08.705175 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:13:08.705744 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:13:08.707383 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:13:08.707383 Windows edition: Core
2026/07/12 21:13:08.708718 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:13:08.708718 Windows version: 10.0.22621
2026/07/12 21:13:08.708718 Native arch: x64
2026/07/12 21:13:08.708718 Elevation type: Full
2026/07/12 21:13:08.708718 Is elevated: true
2026/07/12 21:13:08.708718 Sideloading enabled: true
2026/07/12 21:13:08.708718 S Mode: false
2026/07/12 21:13:08.708718 Conflicting service: true
2026/07/12 21:13:08.708718 Running in elevated context
2026/07/12 21:13:08.709229 Installing MSIX from C:\Users\User\AppData\Local\Temp\Claude-2570322227.msix (all-users: false)
2026/07/12 21:13:08.740119 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:13:08.740119 System DPI: 120 (scale: 125%)
2026/07/12 21:13:08.815665 Verifying Authenticode signature on C:\Users\User\AppData\Local\Temp\Claude-2570322227.msix
2026/07/12 21:13:11.614022 WinVerifyTrust: MSIX signature is valid
2026/07/12 21:13:12.200904 Signature verified: MSIX signer matches bootstrapper
2026/07/12 21:13:12.201927 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/07/12 21:13:12.201927 Squirrel process prefix: c:\users\user\appdata\local\anthropicclaude\
2026/07/12 21:13:12.201927 Checking for running Squirrel Claude processes...
2026/07/12 21:13:12.226672 No Squirrel Claude processes found
2026/07/12 21:13:12.226672 Removing conflicting CoworkVMService...
2026/07/12 21:13:12.227193 WARNING: failed to remove conflicting service: could not open CoworkVMService: Access is denied.
2026/07/12 21:13:12.227193 Checking for existing Claude MSIX packages...
2026/07/12 21:13:12.236932 Removing: Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:13:12.287926 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:13:12.287926 Removing: Claude_1.20186.1.0_x64__pzs8sxrjxfjjc
2026/07/12 21:13:12.292397 Windows rejected data-preserving removal for Claude_1.20186.1.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:13:12.303521 Removing (user): Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:13:12.307642 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:13:12.308176 Installing MSIX: C:\Users\User\AppData\Local\Temp\Claude-2570322227.msix
2026/07/12 21:13:12.308176 Standard install (not split-account), using AddPackage
2026/07/12 21:13:12.308176 Installing via AddPackage (current-user)...
2026/07/12 21:18:12.356351 MSIX installation failed: AddPackage failed: AddPackage timed out after 5 minutes
2026/07/12 21:18:12.356351 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage timed out after 5 minutes

Please share this log with us.
2026/07/12 21:20:38.138909 Elevated process exited with code 1
2026/07/12 21:20:38.138909 Elevation failed: elevated installer exited with code 1
2026/07/12 21:20:38.138909 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/07/12 21:21:03.182566 Elevated process exited with code 1
2026/07/12 21:21:03.182848 Elevation failed: elevated installer exited with code 1
2026/07/12 21:21:03.182848 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/07/12 21:31:48.392000 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:31:48.392566 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:31:48.394202 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:31:48.394202 Windows edition: Core
2026/07/12 21:31:48.395285 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:31:48.395285 Windows version: 10.0.22621
2026/07/12 21:31:48.395285 Native arch: x64
2026/07/12 21:31:48.395285 Elevation type: Limited
2026/07/12 21:31:48.395285 Is elevated: false
2026/07/12 21:31:48.395285 Sideloading enabled: true
2026/07/12 21:31:48.395285 S Mode: false
2026/07/12 21:31:48.395285 Conflicting service: true
2026/07/12 21:31:48.395285 Running in non-elevated context
2026/07/12 21:31:48.395285 User can elevate — installing MSIX directly
2026/07/12 21:31:48.432093 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:31:48.432093 System DPI: 120 (scale: 125%)
2026/07/12 21:31:48.522171 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/07/12 21:31:48.522935 Downloading MSIX to C:\Users\User\AppData\Local\Temp\Claude-3728110073.msix
2026/07/12 21:31:48.542791 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/07/12 21:31:48.975770 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.20186.1/Claude-df1d8a339dfabcf359af7144fe142b59ff7d9a0f.msix"): winapi error #12180
2026/07/12 21:31:54.218250 Download progress: 10% (25624384 / 256134790 bytes)
2026/07/12 21:32:02.035012 Download progress: 20% (51232384 / 256134790 bytes)
2026/07/12 21:32:10.289290 Download progress: 30% (76856192 / 256134790 bytes)
2026/07/12 21:32:15.186920 Download progress: 40% (102464192 / 256134790 bytes)
2026/07/12 21:32:19.622916 Download progress: 50% (128072784 / 256134790 bytes)
2026/07/12 21:32:23.921333 Download progress: 60% (153697136 / 256134790 bytes)
2026/07/12 21:32:30.106051 Download progress: 70% (179304560 / 256134790 bytes)
2026/07/12 21:32:35.954249 Download progress: 80% (204912560 / 256134790 bytes)
2026/07/12 21:32:40.022976 Download progress: 90% (230553328 / 256134790 bytes)
2026/07/12 21:32:46.033980 Download progress: 100% (256134790 / 256134790 bytes)
2026/07/12 21:32:46.035986 Download complete: 256134790 bytes, SHA256: 853a0083a7dd1a165f0a186ac37cbf18cf209792d544d127fb25460fe7ad82d8
2026/07/12 21:32:46.036492 Download complete
2026/07/12 21:32:46.062618 Self-elevating: C:\Users\User\Claude Setup.exe --elevated --msix-path "C:\Users\User\AppData\Local\Temp\Claude-3728110073.msix" --log-path "C:\Users\User\AppData\Local\Temp\ClaudeSetup.log"
2026/07/12 21:33:07.284661 Waiting for elevated process to complete...
2026/07/12 21:33:07.299349 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:33:07.299910 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:33:07.301156 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:33:07.301156 Windows edition: Core
2026/07/12 21:33:07.301731 WARNING: CoworkVMService already exists (potential conflict)
2026/07/12 21:33:07.301731 Windows version: 10.0.22621
2026/07/12 21:33:07.301731 Native arch: x64
2026/07/12 21:33:07.301731 Elevation type: Full
2026/07/12 21:33:07.301731 Is elevated: true
2026/07/12 21:33:07.301731 Sideloading enabled: true
2026/07/12 21:33:07.301731 S Mode: false
2026/07/12 21:33:07.301731 Conflicting service: true
2026/07/12 21:33:07.301731 Running in elevated context
2026/07/12 21:33:07.301731 Installing MSIX from C:\Users\User\AppData\Local\Temp\Claude-3728110073.msix (all-users: false)
2026/07/12 21:33:07.333685 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:33:07.333685 System DPI: 120 (scale: 125%)
2026/07/12 21:33:07.413873 Verifying Authenticode signature on C:\Users\User\AppData\Local\Temp\Claude-3728110073.msix
2026/07/12 21:33:09.523074 WinVerifyTrust: MSIX signature is valid
2026/07/12 21:33:10.008887 Signature verified: MSIX signer matches bootstrapper
2026/07/12 21:33:10.011054 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/07/12 21:33:10.011054 Squirrel process prefix: c:\users\user\appdata\local\anthropicclaude\
2026/07/12 21:33:10.011054 Checking for running Squirrel Claude processes...
2026/07/12 21:33:10.033256 No Squirrel Claude processes found
2026/07/12 21:33:10.033256 Removing conflicting CoworkVMService...
2026/07/12 21:33:10.033256 WARNING: failed to remove conflicting service: could not open CoworkVMService: Access is denied.
2026/07/12 21:33:10.033256 Checking for existing Claude MSIX packages...
2026/07/12 21:33:10.054150 Removing: Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:33:10.363151 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:33:10.363151 Removing: Claude_1.20186.1.0_x64__pzs8sxrjxfjjc
2026/07/12 21:33:10.367733 Windows rejected data-preserving removal for Claude_1.20186.1.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:33:10.377806 Removing (user): Claude_1.19367.0.0_x64__pzs8sxrjxfjjc
2026/07/12 21:33:10.381623 Windows rejected data-preserving removal for Claude_1.19367.0.0_x64__pzs8sxrjxfjjc (0x80073CFA, requires developer mode); relying on in-place update
2026/07/12 21:33:10.381623 Installing MSIX: C:\Users\User\AppData\Local\Temp\Claude-3728110073.msix
2026/07/12 21:33:10.381623 Standard install (not split-account), using AddPackage
2026/07/12 21:33:10.381623 Installing via AddPackage (current-user)...
2026/07/12 21:38:10.427210 MSIX installation failed: AddPackage failed: AddPackage timed out after 5 minutes
2026/07/12 21:38:10.427210 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage timed out after 5 minutes

Please share this log with us.
2026/07/12 21:38:49.954500 Elevated process exited with code 1
2026/07/12 21:38:49.954500 Elevation failed: elevated installer exited with code 1
2026/07/12 21:38:49.954500 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/07/12 21:54:03.897527 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:54:03.898668 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:54:03.900499 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:54:03.900499 Windows edition: Core
2026/07/12 21:54:03.901650 Windows version: 10.0.22621
2026/07/12 21:54:03.901650 Native arch: x64
2026/07/12 21:54:03.901650 Elevation type: Limited
2026/07/12 21:54:03.901650 Is elevated: false
2026/07/12 21:54:03.901650 Sideloading enabled: true
2026/07/12 21:54:03.901650 S Mode: false
2026/07/12 21:54:03.901650 Conflicting service: false
2026/07/12 21:54:03.901650 Running in non-elevated context
2026/07/12 21:54:03.901650 User can elevate — installing MSIX directly
2026/07/12 21:54:03.947446 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:54:03.947446 System DPI: 120 (scale: 125%)
2026/07/12 21:54:04.032366 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/07/12 21:54:04.032875 Downloading MSIX to C:\Users\User\AppData\Local\Temp\Claude-2601259461.msix
2026/07/12 21:54:04.061818 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/07/12 21:54:04.496778 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.20186.1/Claude-df1d8a339dfabcf359af7144fe142b59ff7d9a0f.msix"): winapi error #12180
2026/07/12 21:54:12.683074 Download progress: 10% (25624384 / 256134790 bytes)
2026/07/12 21:54:18.512031 Download progress: 20% (51232384 / 256134790 bytes)
2026/07/12 21:54:23.540298 Download progress: 30% (76856192 / 256134790 bytes)
2026/07/12 21:54:30.885035 Download progress: 40% (102464192 / 256134790 bytes)
2026/07/12 21:54:35.704877 Download progress: 50% (128072752 / 256134790 bytes)
2026/07/12 21:54:40.269691 Download progress: 60% (153697136 / 256134790 bytes)
2026/07/12 21:54:43.926596 Download progress: 70% (179321520 / 256134790 bytes)
2026/07/12 21:54:52.330943 Download progress: 80% (204912560 / 256134790 bytes)
2026/07/12 21:55:02.637730 Download progress: 90% (230553328 / 256134790 bytes)
2026/07/12 21:55:09.528339 Download progress: 100% (256134790 / 256134790 bytes)
2026/07/12 21:55:09.535210 Download complete: 256134790 bytes, SHA256: 853a0083a7dd1a165f0a186ac37cbf18cf209792d544d127fb25460fe7ad82d8
2026/07/12 21:55:09.536440 Download complete
2026/07/12 21:55:09.564482 Self-elevating: C:\Users\User\Claude Setup.exe --elevated --msix-path "C:\Users\User\AppData\Local\Temp\Claude-2601259461.msix" --log-path "C:\Users\User\AppData\Local\Temp\ClaudeSetup.log"
2026/07/12 21:55:13.721078 Waiting for elevated process to complete...
2026/07/12 21:55:13.762829 Log file: C:\Users\User\AppData\Local\Temp\ClaudeSetup.log
2026/07/12 21:55:13.763987 === Claude Setup df1d8a339dfabcf359af7144fe142b59ff7d9a0f started ===
2026/07/12 21:55:13.766148 AllowAllTrustedApps not found (sideloading assumed enabled): The system cannot find the file specified.
2026/07/12 21:55:13.766148 Windows edition: Core
2026/07/12 21:55:13.767239 Windows version: 10.0.22621
2026/07/12 21:55:13.767239 Native arch: x64
2026/07/12 21:55:13.767239 Elevation type: Full
2026/07/12 21:55:13.767239 Is elevated: true
2026/07/12 21:55:13.767239 Sideloading enabled: true
2026/07/12 21:55:13.767239 S Mode: false
2026/07/12 21:55:13.767239 Conflicting service: false
2026/07/12 21:55:13.767239 Running in elevated context
2026/07/12 21:55:13.767239 Installing MSIX from C:\Users\User\AppData\Local\Temp\Claude-2601259461.msix (all-users: false)
2026/07/12 21:55:13.847249 Splash: 400x300, 8 frame(s), animated=true
2026/07/12 21:55:13.847249 System DPI: 120 (scale: 125%)
2026/07/12 21:55:13.922203 Verifying Authenticode signature on C:\Users\User\AppData\Local\Temp\Claude-2601259461.msix
2026/07/12 21:55:18.019320 WinVerifyTrust: MSIX signature is valid
2026/07/12 21:55:18.859985 Signature verified: MSIX signer matches bootstrapper
2026/07/12 21:55:18.861712 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/07/12 21:55:18.862250 Squirrel process prefix: c:\users\user\appdata\local\anthropicclaude\
2026/07/12 21:55:18.862250 Checking for running Squirrel Claude processes...
2026/07/12 21:55:18.884913 No Squirrel Claude processes found
2026/07/12 21:55:18.884913 Checking for existing Claude MSIX packages...
2026/07/12 21:55:18.920971 Installing MSIX: C:\Users\User\AppData\Local\Temp\Claude-2601259461.msix
2026/07/12 21:55:18.920971 Standard install (not split-account), using AddPackage
2026/07/12 21:55:18.920971 Installing via AddPackage (current-user)...
2026/07/12 21:55:45.016670 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/07/12 21:55:45.017180 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/07/12 21:58:44.086580 Elevated process exited with code 1
2026/07/12 21:58:44.088912 Elevation failed: elevated installer exited with code 1
2026/07/12 21:58:44.088912 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
Steps to Reproduce

You are aware of the bug. Just fix it. If you try to updaate claude,it blows up on your pc.
Claude Model

Not sure / Multiple models
Is this a regression?

I don't know
Last Working Version

_No response_
Claude Code Version

none
Platform

Anthropic API
Operating System

Windows
Terminal/Shell

PowerShell
Additional Information

_No response_
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