Checklists for software errors, setup, and tool workflows.

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues

You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...

Fix VSCode Terminal 'Permission Denied' on Windows

If you see 'permission denied' in the VSCode integrated terminal on Windows, it's usu...

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 \\...

Fix Docker Build Fails: No Space Left on Device

You run docker build and it fails with no space left on device. This is...

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

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

fatal: Unable to create &#...