Checklists for software errors, setup, and tool workflows.

Fix VS Code 'Permission Denied' When Saving Files

You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...

How to Fix WiFi Connected but No Internet on Windows 11

You see the WiFi icon connected, but websites won't load, and apps report no internet. This i...

Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

You try to merge two Git branches and get this error:

fatal: refusing to merge unre...