Processes installation, removal, and enumeration requests for software deployed through Group Policy. If the service is disabled, users will be unable to install, remove, or enumerate software deployed through Group Policy. If this service is disabled, any services that explicitly depend on it will fail to start. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\System Services!Application Management (2) REG: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AppMgmt!Start