Checklists for software errors, setup, and tool workflows.

Fix Windows Update Service Not Starting Automatically

If Windows Update stops working, the most common reason is that the Windows Update service isn...

Fix 'Secure Connection Failed' Error in Firefox for Android

If you see a 'Secure Connection Failed' error in Firefox for Android, your browser cannot...

Fix npm run build Failed After Git Pull

You pulled the latest code from Git, ran npm run build, and got errors. This is a co...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix VS Code Source Control Not Detecting Changes with Permission Denied

You open VS Code, make edits, but the Source Control panel shows no changes. Or you see a "pe...