logging in to Ubuntu 18.04 with TV13 removes Ubuntu dock

No problems installing TV13.2 on Ubuntu 18.04 , but when I connect to the Ubuntu system with TV13.2 from my Windows 10 PC, the Ubuntu dock disappears and nothing works except killing the TV13.2 connection. I then have to reboot my Ubuntu 18.04 system to get the dock back.  I don't have this problem using TV13.2 to connect from my Mac to Ubuntu 18.04.  Makes TV13 useless for connecting to my Linux system from a Windows PC. Never had this problem with Ubuntu 16.04 and TV.  Is there a solution to fix this?

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