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 &#...

Fix Cloudflare Wildcard Subdomain Origin Server Errors

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) pointing to you...

Fix VS Code Terminal Not Opening with Docker

If your VS Code terminal refuses to open when Docker is running or after installing Docker extens...

Fix Windows Update Error 0x80070005 System Volume Information

When you see Windows Update error 0x80070005 with a reference to System Volume Information, it us...

Fix Windows Update Service Not Running Due to Group Policy

If Windows Update shows the service is not running and you suspect Group Policy, the problem is o...

Fix VS Code Source Control Not Detecting Changes on Ubuntu

If you're using VS Code on Ubuntu and the Source Control panel shows no changes even after ed...