Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fixing Windows Update Error 0x80070005 and SFC Scan Issues

You try to run Windows Update but get error 0x80070005. When you run System File Checker (SFC /sc...

Fix VS Code Source Control Not Detecting Changes in Subfolder

You open VS Code, see changes in the root folder, but the Source Control panel shows nothing for ...

Windows Defender Real-Time Protection Troubleshooting Checklist

If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...

How to Reset Windows Security App Settings

If the Windows Security app isn't opening, showing errors, or behaving oddly, resetting its s...

Fix ERR_CONNECTION_RESET Caused by Firewall Blocking Chrome

If you see ERR_CONNECTION_RESET in Chrome, it usually means something interrupte...