Indicates the 64-bit version of the application, usually located in C:\Windows\System32 or C:\Program Files . Common Causes
The "ihv gui mui 64 access denied" error is a specific permission or corruption issue related to your hardware vendor’s configuration tool, most often for Wi-Fi or Bluetooth adapters. While the error message looks obscure, the fixes are straightforward: take ownership of the file, run the tool as admin, reinstall the driver, or repair system permissions. ihv gui mui 64 access denied
Right-click the specific hardware device and select . Indicates the 64-bit version of the application, usually