When attempting to install Service pack or an update to your Windows 7 machine you receive error 80246007.
The below may help:
Description:
This tool is being offered because an inconsistency was found in the Windows servicing store which may prevent the successful installation of future updates, service packs, and software.
Windows 32 bit – http://www.microsoft.com/downloads/en/details.aspx?FamilyID=44e15787-66b0-4e9c-9c3b-1fc9ea40f69f
Windows 64 bit – http://www.microsoft.com/downloads/en/details.aspx?FamilyID=914fbc5b-1fba-4bae-a7c3-d2c47c6fcffc
Worked perfectly, thanks