Checklists for software errors, setup, and tool workflows.

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Fix Windows Security Not Launching After Malware Removal

After removing malware, Windows Security may fail to launch or show a blank window. This is often...

Fix Windows Search 502 Bad Gateway Network Config

You search for a file in Windows and get a "502 Bad Gateway" error. This usually means Windows Se...

Fix Windows Activation Stuck on 'Activating'

You see 'Activating' in Settings > System > Activation, but it never finishes. This is a common g...

Fix Windows Security Network Error: Permission Denied

You see "Windows Security" followed by "Access is denied" or "Permission denied" when trying to o...

How to Fix 'pip install no matching distribution found for numpy'

You run pip install numpy and get ERROR: Could not find a version that satisfi...

Fix Windows Activation Error 0x80070002 (Dependency Conflict)
You try to activate Windows and get error 0x80070002. The message often says something like “depe...