Hi,
Unfortunately Your installation appears counterfeit which is most likely why you cannot update.
The product ID is that of an ACER/GATEWAY/PACKARD - your motherboard is a Gigabyte,
so it appears an Activation Exploit has been used to bypass activation and validation requirements.
Quote:
Win 7,Professional,ACER/GATEWAY/PACKARD,XXXXX-OEM-8992671-00004
Manufacturer Gigabyte Technology Co., Ltd.
Product Z77X-UD5H
Solution:
You need to reformat and reinstall using genuine media.