My friend works for a company that has teamviewer, but when I try to connect to his PC it is telling me I have to pay my invoice
Hi @TPS_Gerry , Welcome, and thanks for your first post in our Community!
We would advise your friend or the responsible person from his company to give our support team a call to better investigate the issue. The local phone numbers can be found here: https://www.teamviewer.com/en/global/support/customer-support/
Let us know if we can help with any further questions. Best, Carol