If you can’t open an App while User Account Control is turned off, in Windows 10 and you receive a message This app can’t be opened or activated when UAC is disabled, then you need to enable the UAC. You could also see such messages if the UAC is disabled – This app can’t open, App can’t open while User Account Control is turned off.
This app can’t open, App can’t open while User Account Control is turned off
Enable User Account Control
To enable the UAC, type ‘uac’ in the Start Search. You will see Change User Account Settings. Click on it to open the User Account Settings applet.
Move the slider to the lower-most position to disable the User Account Account.
Click OK and exit.
Now try and see if you can open the app.
If for some reason the UAC will not stay enabled, type ‘regedit‘ in Start search box and hit Enter to open the Registry Editor.
Navigate to the following key:
Here change the value of EnableLUA key, to its default 1. This will enable the UAC.
Let us know if anything here helped you.
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