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

Fix Windows Update Error 0x80070005: Permission Issues

When Windows Update fails with error 0x80070005, it usually means the update process doesn't have...

Fix Microsoft Store 404 Not Found After Update

After a Windows update, you might open Microsoft Store and see a 404 Not Found error when trying ...

How to Install Windows Security on Ubuntu (via Virtual Machine or Wine)

If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...

Fix Chrome Profile 502 Bad Gateway on Mac

If you see a "502 Bad Gateway" error in Chrome on your Mac, especially after a crash or update, i...

Fix kubectl apply Forbidden on GKE

Fix Command Prompt High CPU Usage on Windows 7

If you notice your Windows 7 system slowing down and Task Manager shows cmd.exe using high CPU, i...