Hi Tracy,
This issue may occur if the Component-Based Servicing (CBS) manifest is corrupted. I suggest you to refer to the following Microsoft article and check if it helps.
Error Code 0x80073712 occurs in Windows Update or Microsoft Update
https://support.microsoft.com/kb/957310
Note: The apps that came with your PC or you installed from Windows Store will be reinstalled, but any apps you installed from other websites and DVDs will be removed. Windows puts a list of the removed apps on your desktop after refreshing your PC.
Please reply with the status of the issue and we will be happy to help you.