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

Fix Remote Desktop Login Loop via Registry and Terminal Services

If you’re stuck in a remote desktop login loop—where you log in and are immediately logged out or...

How to Fix Windows Defender Firewall Blocked App

You try to open an app, but it either won't start or can't connect to the internet. A common caus...

Fix Windows Search Error 0x80070490: Cannot Connect

If you see "Windows Search cannot connect" with error code 0x80070490, it usually means the Windo...

Fix 'Windows Defender File Locked by Another Program' Error

You try to delete, move, or rename a file, and Windows shows an error: “The action can’t be compl...

Fix Windows Defender Module Not Found Error 0x80070643