Checklists for software errors, setup, and tool workflows.

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Fix Nginx 403 Forbidden: Permission Denied Errors

You're trying to access a site served by nginx, but you get a 403 Forbidden ...

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

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

Windows 11 Update Stuck at 0%? Run System File Checker First

If your Windows 11 update is stuck at 0% for more than 30 minutes, corrupted system files are a c...

Fix 'node sass build failed permission denied' Error

You're running npm run build and hit Error: EACCES: permission denied

Fix VS Code Breakpoints Not Hit in C++: Practical Checks
You set a breakpoint in VS Code while debugging a C++ program, but execution never stops there. T...