Checklists for software errors, setup, and tool workflows.

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Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

Fix Windows Security High Memory Usage

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

How to Reduce OneDrive Sync Cache Size

OneDrive can use a lot of local disk space for its sync cache, sometimes growing to tens of gigab...

Fix 'powershell not recognized as internal or external command'

When you type powershell in Command Prompt or a script and see the error "'power...

Fix 'ModuleNotFoundError: No module named' in Windows Terminal
If you're seeing ModuleNotFoundError: No module named 'something' in Windows Termina...