Checklists for software errors, setup, and tool workflows.

Fix Windows Cannot Access Shared Folder: Advanced Sharing Settings

You try to open a shared folder from another PC on your network, but Windows shows an error: "...

Fix Docker Nginx 502 Bad Gateway After Restart

After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Repair Corrupt Windows Search Index Database

When Windows Search stops returning files or emails, or the search box hangs, a corrupt index dat...

Docker Container Exits Immediately with Exit Code 137

You start a Docker container, and it exits almost immediately with exit code 137. This usually me...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

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

fatal: refusing to merge unre...