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

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Windows Defender Service Troubleshooting Checklist

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

Fix KMS Activation Error: Port 1688 Already in Use

Outlook Rate Limit Error: Complete Troubleshooting Checklist

If you see an error like “You’ve hit a rate limit” or “Too many requests” in Outlook, your accoun...

How to Fix Windows Activation Module Not Found Error

You might see the error "Windows activation module not found" when trying to activate Windows, or...

Chrome Access Denied Troubleshooting Checklist

You try to visit a site in Chrome and see 'Access Denied' or '403 Forbidden.' This usually means ...