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

How to Reinstall Windows Defender in Windows 10

Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...

Fix Windows Defender Update Error 0x80070643

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed du...

How to Enable Microsoft Teams Auto-Start in Settings

If you expect Teams to launch automatically when you log into Windows but it doesn’t, the auto-st...

Fix Windows Search Auto Start Not Working After Update

After a Windows update, you might notice that the search bar doesn't open or respond when you cli...

Fix MongoDB Authentication Failed Permission Denied Error