: Ensure you are logged into an Administrator account rather than a Standard user account. Installations or hardware GUI modifications often require full system access.
Windows Update might be holding a lock on driver files. ihv gui mui 64 access denied hot
If you are using a modified version of Windows (like Tiny11), you may need to manually enable the service or use a driver specifically designed for your exact hardware ID from the Dell Support site . : Ensure you are logged into an Administrator
If the issue is widespread, system permission corruption may be at fault. ihv gui mui 64 access denied hot
Or in logs:
Indicates the software is designed for 64-bit versions of Windows. Root Causes of "Access Denied"