A built-in timer may be set to automatically close sessions if no keyboard or mouse activity is detected for a short period.
Navigate to ➜ Advanced settings for connections to other computers . Locate Timing out inactive sessions and set it to Off . teamviewer times out after 1 minute
If you are a legitimate personal user, try these steps to restore your connection: TeamViewer connection blocked after timeout: How to fix it A built-in timer may be set to automatically
TeamViewer suspects you are using the free version for business. This results in sessions lasting only 1 to 5 minutes , followed by a mandatory wait time before you can reconnect. teamviewer times out after 1 minute