While you are uninstalling or installing the Manager, an error message might inform you they you cant do this, and you should contact your own tech support .
This is an error message letting you know that your windows user dosent currently have the proper credential to let you install or uninstall this application.
In this case, you should contact your IT
Also check the following articles:
-> Cannot remove previous version during update or cannot uninstall
-> How to move your Manager to a new PC (and keep backups)
