KB Article # 21758
Issue: Uninstalling Ephesoft from Control Panel: Add Remove Programs Results in Administrative Rights Needed to Proceed
“User Needs to be an Administrator to Install this Product.”
Try uninstalling by running the following command from administrative command prompt. Download the respective msi you are trying to uninstall or check hidden c:\windows\installer folder.
“msiexec /i ephesoft_version.msi”
This will launcher uninstaller for you to be able to uninstall