While performing a re-installation of the AteraAgent, you might receive an error: "The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. This error code is 2753."
The error shows up as the registry key of an older version of AteraAgent is still present.
Note: Before deleting a registry key, please ensure to take a backup as deleting a registry key could cause inconsistencies on the machine. You can export a backup of the registry from File - Export - Enter File Name - Save (Save as .reg).
Delete registry key
1. Launch the windows registry on the local machine. Click Start, click Run and enter regedit, click OK.