Windows update catalog file

[aker]

We already prevent MS from breaking existing wsusou repo by backing up the catalog and restoring it, if the "new" one is broken.

[psloss]

We already prevent MS from breaking existing wsusou repo by backing up the catalog and restoring it, if the "new" one is broken.

Thanks -- I saw that the manually downloaded file had been renamed to wsusscn2.bak, but it was faster for me to stop, touch the "good" file, and restart the process.