Hello @Socianx,
Welcome to TeamViewer Community!
Connection issues could be caused by different reasons. Let's check a few things together:
Please double check the internet connection on both sides and try restarting TeamViewer.
If the issue remains, we would suggest reinstalling TeamViewer. To do this, please follow the steps in our Knowledge Base articles:
If the issue persists, please let us know. We would be happy to assist you further.
Best,
Elif