Used Apup V1.4.2 with Sweeper to download clean updates for both 86 and 64 bit version of Windows 7 Updates.
Both showed following in log:-
Detection error for file C:\Apup 1.4.2 Windows 7 64/86 30.12.2012\modules\Common\WindowsUpdateAgent_x86.apm
MD5 Hashes do NOT match. Expecting C724ED7665E8248F2FCC3F2212E7BB67, but found 357826114BBBED054F7E87E66418877D !!!
Detection error for file C:\Apup 1.4.2 Windows 7 64 30.12.2012\modules\Common\WindowsUpdateAgent_x64.apm
MD5 Hashes do NOT match. Expecting B9168EC9B45E9134F4C30183076B79D0, but found 8AC6A987E1E8CF2DD53B6879F98B73B9 !!!
Item AutoPatcher WUAgent module failed detection or its parts. Adding whole download for this item to the queue.
Files to be Downloaded: 1
Download queue processed. Proceeding to next phase.
Download Error: C:\Apup 1.4.2 Windows 7 64 30.12.2012\temp_bin\WindowsUpdateAgent.7z
File size does NOT match. Expecting 1085, but found 1191!!!
Autopatcher then shows as being unofficial - Ran Sweeper which did not delete anything - Autopatcher still showing unofficial