how to fix putty network error: connection refused problem SOLVED
What causes Network error: Connection Refused errors?
The error can occur due to several reasons. Some of them are listed below.
The users may encounter “Network error: connection refused” error:
If the application tries to access the services not offered/supported by the server
If the application tries to connect to a telnet server not supported by the server.
If your router blocks the connection due to security reasons.
If the server does not support the default port used by the system administrator on PuTTy.
Firewall restriction
puttyserver is not install or service is not running