Sometimes you might encounter an error message when uninstalling the agent:
Teramind Agent bundle
One or more issues caused the setup to fail. Please fix the issues and then retry setup.
For more information see the log file.
0x80070643 - Fatal error during installation.
This can happen if you are trying to uninstall the Teramind Agent using Window's add/remove/uninstall program. Teramind Agent should be uninstalled with it's own uninstaller.
Please check out this article to learn how to properly remove the agent: How to uninstall the agent?