Endpoint 12.1 won't uninstall correctly

Hello,

I have a laptop that was infected & corrupted my OS and also the Endpoint 12.1 installation. I've had to repair the OS and also have uninstalled Endpoint 12.1 that appeared to work okay, it disappeared from Programs & features, and the laptop was rebooted. But when I try to reinstall it appears to work, but there is no content, all I have is a folder in Program Files (x86) which contains 2 x scripts, nothing else. I suspect the uninstall didn't work correctlly that's why the re-install is not working correctly. Any suggestions on how I can get the product reinstalled.

Thanks