I had Teamviewer 11 on my PC and my Microsoft Surface tablet previously and everything worked well. I have since upgraded my PC to Teamviewer 12. I then attempted to upgrade Teamviewer to version 12 on my tablet with no success. The version 12 software uploads, but when I go to open it, I get an error message that states: "Unable to connect. A connection could not be established. Partner could not be contacted at the given network address." However, the Teamviewer dashboard pops up on my PC when I'm attempting to connect to it, so clearly the software is talking between machines, it's just not giving me access. I have uninstalled version 11, restarted the operating system, cleared the registry and temporary folders. Some items in the temp folders would not delete. Nothing I do works. HELP!
I also get a different error message sometimes when I try to access my PC. "Your partner uses a newer version of Teamviewer. Would you like to update TeamViewer now to establish a connection?" The thing is, this is after I've downloaded the new version!