when you close the teamviewer 10 an ads windows will popup. if you may find that annoyed, follow this step.
1. goto: C:\User\USERNAME\AppData\Local\Temp\TeamViewer
2. find a data name “7.hta” or “*.hta”
3. edit the “*.hta” file with the text editor. delete all the text/content inside
4. save and then right click on “*.hta” file > property > mark the read-only option > apply and ok
5. now no ads windows should pop-up when you close teamviewer 10