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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...

Fix Windows Activation 502 Bad Gateway After Upgrade

After a Windows upgrade, you might see a '502 Bad Gateway' error when trying to activate. This us...

How to Fix 'Remote Desktop Command Not Found' Error

How to Fix Windows Search 404 Errors

If you see a '404 Not Found' error when using Windows Search, it usually means the search index c...

Microsoft Teams 504 Error Troubleshooting Checklist

When Microsoft Teams shows a 504 Gateway Timeout error, it usually means the server didn't respon...

Check Which Application Is Using Remote Desktop Port (3389)

When you try to start Remote Desktop and get an error that the port is already in use, something ...