Error Code: 0x8007000D Update for Windows XP (KB2632503) - Microsoft Community

Thanks Robear! I used the optional update as an example. I am unable to install any Windows XP updates (security or non-security) at present. KB2603381 is the last security update I was able to install on Jan 10, 2012. 1a Jan 15, 2012 - This may be the ..

answers.microsoft.com