Revocation informetion not available for this site?

this error message come up when I go into sites that need my password etc. e.g ebay, bank, lottery. I am getting myself so frustrated as everytime I go to log in to these sites this error message comes up. I have used avast to scan for spware etc, my computer wont let me restore my computer. If restarting my computer is to only thing left can anyone please advise me on how to do this. Thanks

Revocation informetion not available for this site?live update

If I understand correctly this is a website certificate issue?

If the website that you are attempting to access is a SSL secured website, then no harm trying this.

http://support.microsoft.com/kb/813444.....

About me:

chiaz is an enthusiast in computer security. He volunteers as a helper in several forums, and helps others remove malware off computers. He also runs http://parasitedb.com , a non-profit site that provides a database on the most prevalent malware threats of today.