Tomtom says connected, computer says no device connected

jandjh Registered Users Posts: 2
New Seeker
TomTom 6100s just tried to update. Updated My drive and connected TomTom. The TomTom say sit is connected but the computer says no device connected. I cannot open My Drive on the computer. Incidentally TomTom HOme set up says it requires a critical update which it aborts every time I try to install. I am confused and do not know what to do. Help appreciated