Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix npm run build Exit Code 1: Common Causes and Solutions

Fix npm run build Exit Code 1: Common Causes and Solutions

When you run npm run build and see "exit code 1", it means the build script ...

Windows 11 Update Stuck at 0% Due to Corrupt Files: Fixes

Windows 11 Update Stuck at 0% Due to Corrupt Files: Fixes

You start a Windows 11 update, and it hangs at 0% for minutes or hours. Corrupt system files are ...

Fix pnpm install ETIMEDOUT Errors: Network & Config Checks

Fix pnpm install ETIMEDOUT Errors: Network & Config Checks

When you run pnpm install and it fails with ETIMEDOUT, it usually means...

Windows 11 Installation Assistant Stuck at 99% After Restart

Windows 11 Installation Assistant Stuck at 99% After Restart

You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...

Fix Git 'index.lock' File Exists Error in IntelliJ

Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...