Patch my PC is not downlaod any updates

[maj]

When try to run sync we getting following erro. I have enter the proxy details into patchmypc.

An error occurred while checking the license validity, please verify proxy configurations are correct, and there are no web filters blocking traffic to patchmypc.com. The underlying connection was closed: An unexpected error occurred on a send.
An error occurred while downloading the supported products XML file: The underlying connection was closed: An unexpected error occurred on a send.
Loading backup Supported Products file

[Jacques Guillory]

We cannot repro this using our lab. Can you check to see if a webfilter or firewall is blocking traffic to patchmypc.com?