We are running Teamviewer on all of our PCs and an old laptop. Yesterday, I made the mistake of leaving Teamviewer unattended for just over an hour, which invoked a time-out. Now when I start up Teamviewer, it tells me I am using it for commercial purposes and must pay for a licence (£32 per month!)- moral here is to close Teamviewer if you computer will be unattended, and even if attended, click on something to avoid a time-out!!

I get the impression that Teamviewer is not based in the UK!!!