TVpad servers should be restored now
There are reports coming in that the tvpad servers have been restored wordwide and everything should be back to normal. If you still get the user does not exist message on your TVpad2 or TVpad M121S, please contact the customer service about this matter.
You could also try change the DNS number if the user does not exist message still appear on your screen, see this post how to change the TVPad DNS number: Change TVpad DNS number to fix user does not exist message