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

Check Windows Version via PowerShell Command Line

If you need to find your Windows version, edition, or build number from the command line, PowerSh...

How to Fix Windows Security Error 0x80073b01

You may see error 0x80073b01 when opening Windows Security or trying to use its features. It usua...

Fix Windows Security High CPU Usage at Idle

If your system fan is spinning up or Task Manager shows Windows Security (Antimalware Service Exe...

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

BitLocker Recovery Key Not Accepted: Fix Authentication Failed Error

Fix Windows Store Error 0x80073cf9 Permission Denied

When you see error 0x80073cf9 in the Windows Store, it usually means the installer can't write to...