Vista64 Update not Downloading KB's

***hi guys, this last few weeks Vista64 has notified of New updates available, but seems unable to Download them, reporting "Failed, error 80072efd" (tried many times). KB 905866, 973540, 973507, 956744, 971657, 971557, 968380. same result if tried One by one.

***any ideas on this please ?
unfortunately No earlier Restore Points to try.

Hello marshalx,
Take a look at these articles by MS and see if these can cure your problem, there are several reasons for this error message so this may not fix it for you, give it a go and post your results, good luck.

Windows Update error 80072efd - Windows Vista Help

You may encounter temporary connection-related errors when you use Windows Update or Microsoft Update to install updates