MyDell Install and Uninstall Issue When Enhanced Protection from Untrusted Apps Mode Is Selected ON
Summary: This article provides information about MyDell Cannot uninstall and install applications when Enhanced protection from untrusted apps mode is "ON" in "Smart App Control" Settings.
Symptoms
MyDell Install and Uninstall Issue
User can't uninstall and install MyDell application when Enhanced Protection from Untrusted Applications mode is selected ON in Windows Smart App Control (SAC) Settings.
Affected systems
- MyDell
Cause
SAC allows to safely install and uninstall apps or binaries which satisfy Microsoft’s app intelligence services, or it is signed by a certificate authority (CA) when Enhanced protection from untrusted apps mode is selected "ON" in Windows "Smart App Control" Settings.
The Wix framework (Microsoft) used to create a MyDell installer, includes a custom action binary. Since the Microsoft Wix framework does not sign the internal binaries, it violates the SAC requirements which are causing the problem with installation or uninstallation.
Resolution
As per SAC requirements, all files must be signed by the Enhanced protection from untrusted apps mode is selected "ON" in Windows "Smart App Control" Settings otherwise "Off" should not be selected.
To turn off Enhanced protection from untrusted applications:
- Go to Settings -> Privacy and security -> Windows Security -> App and browser control.
- Click Smart App Control settings.
- Change the mode from Evaluation to OFF.