Packaging and install issues on Windows — page 3
Issues the maintainers labelled both platform:windows and area:packaging.
210 issues · 28 open · 182 resolved (87%) · first seen Jun 5, 2025
Is this getting better or worse?
This class of problem is holding steady. 38 new reports in the last 90 days vs 48 in the 90 before — -21%. The open backlog peaked at 42 in 2026-02 and sits at 28 today.
Derived by counting each matching issue from its creation date until it closed. First-party
computation over the anthropics/claude-code tracker — the trend is not published
anywhere upstream.
Which builds report this
126 of these reports name the Claude Code build they were running, spanning 75 releases. Heaviest reporters:
- Claude Code v2.1.39
- Claude Code v2.1.114
- Claude Code v2.1.112
- Claude Code v2.1.29
- Claude Code v2.1.15
- Claude Code v2.1.14
- Claude Code v2.1.229
- Claude Code v2.1.227
Report volume, not a defect count: an issue can mention a build without that build having caused the failure. Versions come from the version string in the bug-report template, matched against real published tags.
Do these get fixed?
Median time to close is 33 days across 182 closures. Of the 182 closures with a recorded reason, 34% were closed as completed and 120 as not-planned or duplicate. The most recent completed fix landed in 2026-08.
Workarounds reported by the community
64 of these issues post a workaround someone says worked. The highest-engagement ones:
- [BUG] Native Windows(Powershell) install of Claude Code is not viable
- Ran into this same issue tonight. Found workarounds that might help others: The binary does exist It's bundled inside the VS Code extension: Workaround Open a new PowerShell window and should work. Note: When the VS Code…
Found in the thread of #14902 · resolved - [BUG] Cowork tab not showing on Windows 11 Pro x64 — "yukonSilver" marked as unsupported + CoworkVMService cannot be removed
- …ot appear in the non-admin user's Start menu.</p <p <strong Workaround found:</strong Running <code Add-AppxPackage</code manually as the target user installs the MSIX correctly for that user.</p <h2 Steps to Reproduce</…
Found in the description of #25136 · resolved - Feature Request: Native Windows Claude Code CLI
- …large segment of the enterprise development market. Current workarounds (pre-staging context, manual command execution) significantly reduce CC's value proposition for Windows developers. The enterprise .NET ecosystem re…
Found in the description of #2458 · resolved - [BUG] Bun v1.3.5 crashes on Windows with "integer does not fit in destination type" - prevents installation and startup
- …n which also started happening recently ([link]( For now my workaround is to use wsl instead of powershell or the GUI
Found in the thread of #18567 · still open - [BUG] Claude Code crashes with Bun panic in Visual Studio Code on Windows 11
- …settings / advanced settings / more advanced settings) is a workaround to fix this.
Found in the thread of #19666 · still open
Excerpts are quoted from the linked issue so you can judge relevance before opening it. Threads that only ask for a workaround, or report that there is none, are excluded. These are community suggestions, not official guidance from Anthropic — read the full thread before applying one.
Matching issues 201–210
Ranked by community engagement (reactions weighted over comments).
- [BUG] Cowork "RPC pipe closed" on Windows 11 — shipped claude.exe fails Authenticode check (HashMismatch), reinstall path disabled
- Auto-update at boot invalidates session, forces relogin
- [BUG] Bun 1.4.0 segfault at address 0x10 on main thread (JSC JSStringJoiner/JSArray::fastToString frames) after 21.8 h session with 8 live subagents — CLI 2.1.235, Windows 11 26200
- [BUG] Bun 1.4.0 segfault at address 0x54 on background thread (KERNEL32/ntdll frames) ~6 min into session — CLI 2.1.234 native, Windows 10 x64, two consecutive sessions
- [BUG] Claude Code Chat isn't working
- Bun crashes with segfault on Claude Code launch/resume (v2.1.229, Windows)
- Auto-updater fails repeatedly with "claude.exe in use" whenever a session is running (Windows)
- [BUG][Windows] Leftover `claude.exe.old.<ts>` process after auto-update enters a `taskkill` spawn loop, wedging WMI (`WmiPrvSE` ~400% CPU) machine-wide
- Bundled native addon (image_processor .node) unsigned -- hard-blocked under Windows Smart App Control enforcement, no user workaround
- [BUG] Bun 1.4.0 JSC GC use-after-free segfault (SlotVisitor::drain -> MethodTable::visitChildren) at 0x...00000050 on Windows x64 baseline - symbolized trace, reproduces at idle load - CLI 2.1.209