This post will cover how to fix windows update. I found a tool that easily registers all 114 .dll, ocx and .ax files associated with Windows Update.
The Fix WU Utility v 1.0. This freeware portable utility will re-register the files, required for the proper functioning of Windows Updates.
In case anytime, you find that you are facing any issues in running Microsoft Updates or Windows Updates due to any reasons, run this utility. This utility will re-register a total of 114 .dll, ocx and .ax files which are required for the proper functioning of Windows Updates.
The utility may take a few moments to run. On completion, you will see a dialog box: The process completed successfully.
It has been tested on Windows 7 & Vista, 32bit and 64bit versions.