What Bus Clock is displayed, I can't see it on the screenshot.
Try to upgrade to the latest HWiNFO version if that will help. If not you might need to disable Core Isolation - Memory Integrity in Windows.
Just start HWiNFO with Debug Mode enabled, let it open the sensors window, close it and then attach the DBG file produced.
I think it's because it activates Core Isolation - Memory Integrity so it's affected by this: