VS Code Extension Installation Failure: Corrupted VSIX File

Resolved 💬 1 comment Opened Jul 17, 2025 by DavidMichaelRoberts Closed Jul 17, 2025

Bug Description
Claude Code is just stopping and the /status command is giving the below output. Removing and reinstalling the extension doesn't fix it. Disabling and re-enabling doesn't fix it.

⚠ Error installing VS Code extension: 1: 1 Error: End of central
   directory record signature not found. Either not a zip file, or file
   is truncated.
       at Af (file:///Applications/Visual%20Studio%20Code.app/Contents/Re
   sources/app/out/vs/code/node/cliProcessMain.js:50:28935)
       at file:///Applications/Visual%20Studio%20Code.app/Contents/Resour
   ces/app/out/vs/code/node/cliProcessMain.js:50:30263
       at /Applications/Visual Studio
   Code.app/Contents/Resources/app/node_modules/yauzl/index.js:40:7
       at /Applications/Visual Studio
   Code.app/Contents/Resources/app/node_modules/yauzl/index.js:190:5
       at Immediate.<anonymous> (/Applications/Visual Studio
   Code.app/Contents/Resources/app/node_modules/yauzl/index.js:705:38)
       at process.processImmediate (node:internal/timers:485:21) {
     code: 'Extract',
     name: 'Extract'
   }
   Failed Installing Extensions:
   file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/%40ant
   hropic-ai/claude-code/vendor/claude-code.vsix

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 1.0.53
  • Feedback ID: c1230ecb-d54b-468b-ade9-f340268c57f0

Errors

[{"error":"Error: 1: 1 Error: End of central directory record signature not found. Either not a zip file, or file is truncated.\n    at Af (file:///Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/node/cliProcessMain.js:50:28935)\n    at file:///Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/node/cliProcessMain.js:50:30263\n    at /Applications/Visual Studio Code.app/Contents/Resources/app/node_modules/yauzl/index.js:40:7\n    at /Applications/Visual Studio Code.app/Contents/Resources/app/node_modules/yauzl/index.js:190:5\n    at Immediate.<anonymous> (/Applications/Visual Studio Code.app/Contents/Resources/app/node_modules/yauzl/index.js:705:38)\n    at process.processImmediate (node:internal/timers:485:21) {\n  code: 'Extract',\n  name: 'Extract'\n}\nFailed Installing Extensions: file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/%40anthropic-ai/claude-code/vendor/claude-code.vsix\n\n    at Lq6 (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1208:5219)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async qq6 (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1208:2582)","timestamp":"2025-07-17T04:36:32.329Z"},{"error":"Error: Agent 1: Last message was not an assistant message\n    at q5A (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2335:1588)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Object.call (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:791)\n    at async J44 (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2223:9788)\n    at async a$1 (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2223:6451)\n    at async Dp (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1621:1318)\n    at async W44 (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2223:5596)\n    at async Z44 (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2223:5081)\n    at async AH (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2223:3533)\n    at async AH (file:///Users/test/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2223:4232)","timestamp":"2025-07-17T04:44:22.921Z"}]

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