Does anybody understand what is going on here:
Thu 05/16/2013 12:34:00.85 - Info: Downloaded/validated most recent Windows Update Agent installation and catalog files
Thu 05/16/2013 12:34:00.90 - Warning: Deleted unsigned file "G:\Archive\WindowsManagement\wsus-r378\client\wsus\wsusscn2.cab"
Thu 05/16/2013 12:34:00.90 - Warning: Deleted unsigned file "n/a"
Thu 05/16/2013 12:34:02.42 - Error: File signature verification failure
The cab file does seem to be present
This "n/a" warning started showing up about a week ago & appears at random
times in the download log.