Comodo AntiVirus update problem

I'm trying to update the virus definitions on Comodo AntiVirus and get an error message - "Failed to update the virus signature database. Please check your internet connection and try again later."

I've checked everything I can think of and compared settings to another computer running the same setup. Everything seems ok, but it won't update. Any suggestions?

 

Comodo has an excellent forum for these problems:

http://forums.comodo.com/help_for_comodo_antivirus-b86.0/

 

Hi, my operating system is Window Vista and I am experimenting the same problem. Was there any recommendation ?

 

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I was having the same problem running Windows Media Center. I tried everything I though might work. The last one I tried, it didn't make allot of sense, I uninstalled it, then reinstalled it. It worked.