Aam tor per 3 wajuhaat ki bina per aisa hota hy ....
1. CMOS battery
2. Time zone correction
3. virus/malware
1 aur 2 to aapy try kar chuky hain ab last yani no. 3 reh gia ... iss ky liay aap aik software jis ka naam hy spybot search & destroy free download karen, aur install kar len. Phir issy update kar len ... (very important)
Aakhir mn windows ko safe mode mn boot karen aur iss updated program ko run karen ...
Umeed hy apki problem solve ho jaey gi ....
link ye hy:
http://www.safer-networking.org/private/
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