I am running Vista Ultimate 32 bit and have been unable to check for updates for a few weeks. I get the following message:

Windows Update error 80072f8f

"If you receive Windows Update error 80072f8f while checking for updates, your computer's date and time might not be the same as the date and time for the online Windows Update service. Your computer and the service don't need to have an identical date and time, but if they vary too much it will prevent you from checking fo