sfc /scannow run from Installation Disk

NoelDP said:

Keep an ye on the next few Windows update installs, as if there are any problems, that where it's likely to show up first.

Just had an Ah-Ha moment. When I took a good copy of the corrupt file from the wife's computer, I took ownership of the same folder and file. For the last two days I've been having trouble with windows updates on her machine. She has the same 64 bit W7 OS. I should be able to fix it with all the information you've given me or at least check it out.