Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Security Cache Error

When Windows Security shows a cache error, you might see messages like "Something went wrong" or ...

Fix Windows Defender Rate Limit Error Not Working

If you see a 'rate limit error' in Windows Defender and it's not working properly—scanning fails,...

Fix Windows Search Error 0x80004005 (Crashes)

If Windows Search keeps crashing and shows error 0x80004005, search results stop appearing or the...

PowerShell Performance Checklist for Slow Scripts

If your PowerShell script takes minutes instead of seconds, the problem is usually not the comput...

Fix Windows Update Error 0x80070643 Installation Failed

You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...

Fix OneDrive 'Command Not Found' Error on Linux and macOS