You must have full control over the system directory.
: Major Windows updates (like moving to a new version of Windows 11) can sometimes reset security settings, requiring you to re-enable Test Mode or reinstall the driver. multikey 1822 updated
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Multikey\Dumps\XXXXXXXX] Add the line "DongleType"=dword:00000001 if it is missing. Double-click file to import it into the Windows Registry. Step 3: Installing the Driver Navigate to your MULTIKEY64 Right-click install.bat and select Run as Administrator When the Windows Security dialog appears, select "Install this driver software anyway" You must have full control over the system directory