How to perform an advanced uninstall of TeamViewer
The following steps provide details on how to manually remove remnants of TeamViewer Remote from the system via the Registry due to issues during uninstallation. This utilizes the Regedit command.
Important: Incorrect changes to the Windows Registry can disable the operating system. To safeguard against such an accident, we recommend you back up your existing registry by choosing Registry ➜ Export Registry File when the Registry is open and running. We are not liable for any actions that may occur as a result of making these registry changes - you are making these changes at your own risk.
Step 5
Right-click the Windows Start Menu and select Run. In the Run window, enter regedit.