Checklists for software errors, setup, and tool workflows.

Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories

You try to merge two branches and get fatal: refusing to merge unrelated histories. ...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

You run a command like git remote add origin https://newurl.com/repo.git and get

Fixing Edge Sync Error 0x80072efd on Windows

If you see error code 0x80072efd when trying to sync your Microsoft Edge browser data, the sync p...

Fix Chrome Black Screen on Startup Due to Hardware Acceleration

If Chrome opens to a black screen after you launch it, the issue often involves hardware accelera...

How to Fix Chrome Extensions Not Loading

You open Chrome, click the puzzle icon, and your extensions are grayed out or missing. This is co...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

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

fatal: refusing to merge unre...