Invalid Product Information Product Code. The product code <code> is not a valid GUID.

The specified product code GUID is not valid. It has been changed from the GUID originally assigned by the installer. If you accidentally changed the product code in the Product Information tab of the Project Properties dialog box, click Cancel to close the dialog box without saving the change.

To enter a new product code, go to the Product Information tab of the Project Properties dialog box and click the New code button next to the Product code field. The installer will assign a new product code.