My internet explorer keeps saying that every website has a certificate error. whats the problem?

what can i do to fix this. even firefox is doing the same thing.

My internet explorer keeps saying that every website has a certificate error. whats the problem?microsoft exchange

LOWER YOUR SECURITY SOME IT IS BLOCKING BECAUSE IT IS SET TO HIGH

My internet explorer keeps saying that every website has a certificate error. whats the problem?windows vista ultimate internet explorer

Check your computers date.
that happened to me before and i found out that my internet was disconnected or something like that.
enter to the Internet explorer and enter properties and then put disable the privacy
try.. downloading a new explorer.

you can do that on yahoo.

i think its called tabbed browser.
Every site? try looking under TOOLS-INTERNET OPTIONS_SECURITY i have mine on med-high and i have no problem what is yours at?
maybe you use an "ip hider" program for refuse the proxies.. check it out