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

Advanced Command Prompt Configuration for Power Users

If you rely on Command Prompt daily, the default black-and-white window with limited functionalit...

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...

Fix kubectl Apply Forbidden in AKS: Permission Denied

Fix Remote Desktop File Locked During Setup Configuration

When setting up Remote Desktop, you may see 'File locked' or 'Cannot access file' errors. This us...

How to Unlock a File Locked by Windows Security

You try to open or delete a file, and Windows says it's locked by Windows Security. This usually ...

Fix Windows Defender Rate Limit Error Not Working

If you see a 'rate limit error' in Windows Defender and it's not working properly—scanning fails,...