Checklists for software errors, setup, and tool workflows.

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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...

Fix VS Code IntelliSense Not Showing Suggestions
You're typing code in VS Code, expecting autocomplete suggestions, but nothing appears. This ...

Chrome Startup Crash on Windows 11: Fixes That Work
You click the Chrome icon on your Windows 11 PC, the window flickers, and then nothing—or you get...

Fix Cloudflare Wildcard Subdomain Not Resolving
You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...

Fix VSCode Terminal Permission Denied in Python venv
If you see bash: /path/to/venv/bin/activate: Permission denied when trying to activa...

Fix Windows Cannot Access Shared Folder Due to Firewall
You try to open a shared folder on another PC and get an error like "Windows cannot access \\...

Checklists for software errors, setup, and tool workflows.

Latest checklists

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

Fix VS Code IntelliSense Not Showing Suggestions

Chrome Startup Crash on Windows 11: Fixes That Work

Fix Cloudflare Wildcard Subdomain Not Resolving

Fix VSCode Terminal Permission Denied in Python venv

Fix Windows Cannot Access Shared Folder Due to Firewall

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