Automatic updates keeps updating same patch
You need to download and install following updates manually: These updates will upgrade the Windows Update client and will make some improvements to the client program.These updates are available for both 32-bit (x86) and 64-bit (x64) editions of Windows 7 operating system.So if you install this convenience rollup pack in your Windows 7 machine, it'll automatic upgrade Windows Update client version and your problem will be solved.To learn how to download and install this convenience rollup pack, check out following article: Sometimes these kind of problems may occur due to corrupted components and services related to Windows Update.These updates upgrade the client program version and improve its functionality.
Now, today, I opened it up again and it started downloading the same update all over again. The downloading box would disappear before it was done.
If the new updates which upgrade Windows Update client version, are not installed in a Windows 7 machine, it starts giving this annoying issue and the Windows Update program hangs at "Checking for updates" screen and never downloads updates from Microsoft servers.
This is the best and easiest solution to fix this problem!
Most of the times this issue occurs after a fresh/clean installation of Windows 7.
Many users have reported that they even waited for more than 24 hours but Windows Update just stuck at "Checking for updates" status and they couldn't install any update in their computers.