
Troubleshooting
How to Fix PuTTY SSH Connection Refused Error
You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...
Clear technical guides for everyday software errors, configuration problems, and productivity tools.

You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...

When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...

If your Command Prompt text is hard to read, colors look off, or the font has changed unexpectedl...

When connecting to a remote server via VSCode's Remote SSH extension, you may see the error 'Perm...

When you try to connect to a remote desktop and get "Invalid configuration" with error code 0x4, ...

If you're managing a Windows server and users can't connect via Remote Desktop, or you see errors...
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