PUM.Optional.NoDispCPL is Malwarebytes’ detection name for a potentially unwanted modification (PUM) in the Windows registry where users are prevented from accessing the Display Control Panel in Windows.
This is often done by malware to hinder the user from removing it. The user gets the error message, “Your system administrator has disabled launching of the DisplaySettings Control Panel” when he/she tries to open the command prompt.
The following registry value data is modified:
Malwarebytes can modify this registry value data back to its Windows default setting without user interaction.
Also, we advise users to do a full system scan as PUM.Optional.DisableCMDPrompt could have been added to the system by malware or a PUP.
When a Potentially Unwanted Modification (PUM) is detected on your computer, Malwarebytes for Windows does not know whether it was authorized. Optimization software, malware, and Potentially Unwanted Programs (PUPs) are known to make these types of changes, hence they are regarded as potentially unwanted by design.
To have Malwarebytes for Windows ignore a PUM, you must add the PUM to the Allow list. Here’s how to do it.