Checklists for software errors, setup, and tool workflows.

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Docker Desktop Engine Stopped: Log Location & Troubleshooting

When Docker Desktop reports that the engine has stopped, you often need to check the logs to unde...

Windows 10 Taskbar Icons Not Responding: Practical Fixes

If your Windows 10 taskbar icons stop responding—clicking does nothing, right-click menus don'...

Windows Security App Won't Open in Safe Mode: Fixes

If you’re in Safe Mode and the Windows Security app refuses to open—showing a blank window, crash...

Fix Windows 10 Shared Folder Access Denied Error

You set up a shared folder on Windows 10, but when you try to access it from another computer, yo...

How to Fix Git Merge Unrelated Histories Error

You run git pull or git merge and get:

fatal: refusing to...