Error tab after opening putty

after 10 seconds from opening putty and error window pops up saying romote side unexpectedly closed network connection
i checked my internet connection and its good
everytime it happens the same …help me out with this please…

I think you should try with other wifi network. It may happen that the WiFi you are using has no permission for putty.

@deepakparabhu2205 It may be that the connection is being disconnected due to inactivity. Check if the solutions in the link below helps,