Invalid RegKey value for registry search
The RegKey property for the specified registry search is blank or is improperly formatted. The RegKey property takes a string that includes the full path to a registry key, excluding the registry root; it cannot begin with a backslash.
To correct this error
Double-click the error in the Task List to go to the specified registry search in the Launch Conditions Editor.
In the Properties window, select the RegKey property, and enter a properly formatted value.