Hi,
Refer to the steps mentioned in the following link and check.
Error Code 0x80073712 occurs in Windows Update or Microsoft Update
http://support.microsoft.com/kb/957310/en-us
Note: Apps you installed from websites and DVDs will be removed. Apps that came with your PC and apps you installed from the Windows Store will be reinstalled. Windows puts a list of removed apps on your desktop after refreshing your PC.