need help!! i think i am under serious hacking attack!

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hey guys plzz help me i think my pc is hacked..... its been 2 days now that whenever i try to open gmail or yahoo sites the browser display it unsafe... says that There is a problem with this website's security certificate..... but when i open other sites there to this happens..... i hav 2 windows installed ...i havn't used one of my wibndows from the past 3 months so i tryed opening sites from that windows but still it shows the same error... though i can bypass that error but still i think its not safe cos not only internet explorer but any other explorer used to open any site is showing the same error...as gmail cant hav any certificate problem there is some problem in my PC or in my internet connection... 99% it will be my PC ..... i got avast anti virus 4.8 professional edition with windows 7.... plzz help me as soon as possible.... link to SS here

*www.thinkdigit.com/forum/attachment.php?attachmentid=3352&stc=1&d=1272816994

may be its a dating problem.

You are living a year behind... in 2009

Correct your time and date

kanjar said:
may be its a dating problem.

He should take his computer out for a date. Maybe it will cheer up then.

update date and time and try using another browser like Firefox, opera or Chrome !

correct ur system date and tym....

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OMG lol i didn't expected this from ppl here at Digit!!! lol..... seriously...my date was set behind for some trial period of software testing that i was doing at that time...
if u dont know how to solve my problem atleast dont give useless replys guys!and celldweller1591 i hav already mentioned that i hav tried doing it on many other browsers too!! still the same problem is there!... dont know how am i going to solve it!!!

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