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

Fix Windows Security Not Opening Error 0x80073cfc

When you double-click Windows Security and nothing opens, or you see error 0x80073cfc, it usually...

Fix Windows Defender Auto Start Not Working in Windows 10

If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...

How to Unlock a File Locked by Chrome Browser

You try to rename, move, or delete a file, but Windows says it's open in Chrome. Even after closi...

Fix Windows Security Can't Connect to Server Error

When you see "Windows Security cannot connect to the server" while trying to sign in or access a ...

Fix Microsoft Store Update Not Working on Windows 11

If the Microsoft Store won't update apps or itself on Windows 11, you're not alone. This usually ...

Fix 'Invalid Configuration Permission Denied' in Command Prompt