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

Fix Windows Defender Port Already Allocated Antivirus Conflict

If you see an error like "port already allocated" or "address already in use" after installing a ...

How to Fix 'File Locked by System' in Windows Defender

If you see an error like "File locked by system" when running a Windows Defender scan or trying t...

Install Windows Terminal on Mac Using Parallels Desktop

If you're running Windows on your Mac through Parallels Desktop and want to use Windows Terminal ...

How to Fix Authentication Failed in Command Prompt

When you see 'authentication failed' in Command Prompt, it usually means the system couldn't veri...

Fix Windows Defender Module Not Found Error 0x80070643