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

Fix Windows Defender Port Already Allocated in Windows 11

You start a program that needs a specific network port, but Windows 11 tells you the port is alre...

Fix Windows Defender Update Error 0x80240016

If you see error 0x80240016 when updating Windows Defender, it usually means Windows Update or De...

Fix Windows Login Loop with CMD Repair Tool

You log in, see the desktop for a second, and get kicked back to the lock screen. This Windows lo...

Fix Microsoft Store 404 Not Found Error on Reinstall