And the errors would be .....???
CPUID returns information about the processor. It is not the unique serial number for your particular processor.
You might want to read up on what the ProcessorID field returns, here
], and what is returned when EAX is set to 1 during the call to CPUID. That would be the Processor Info and Feature Bits, but all of them. The docs on that can be found here
Oh, and you forgot this:
Label31.Text = "CPU ID = " & objMO("ProcessorID").Value