PC Setup 1.6.4: PC Compatible Error

I recently upgraded to PC Setup 1.6.4. Now, when I try to activate the PC side, the PC side does not start up, and I get the following message:

"A PC compatible error has occurred. A drive file cannot be opened".
There are two main reasons this error message can occur in PC Setup 1.6.4:

Published Date: Feb 18, 2012