Issue
After successfully installing the Wireless Maintenance Tool on Windows 7 an attempt to launch is unsuccessful. The following error is received. 'Critical Error InitInstance() Reason : Access to the registry key
'HKEY_CLASSES_ROOT\.wmt' is denied.
Environment
Wireless Maintenance Tool
Windows 7
Windows Server 2008
Cause
User Account Control is restricting access to this portion of the registry needed to launch the Wireless Maintenance Tool
Resolution
Disable User account control
-
If using Windows 7
- Go to Windows Control Panel>User Accounts>Change User Account Control Setting link
- Drag the slider to the bottom
- Restart the PC
- Launch the Wireless Maintenance Tool without error
-
If using Windows Server 2008
- Go to Windows Control Panel > User Accounts> Turn User Account Control On of Off
- Deselect Use User Account Control (UAC) to help protect your computer
- Restart the PC
- Launch the Wireless Maintenance Tool without error