Salaam to all...

Main ne apnay computer pe windows XP install ki hay.
magr kuch din se Browsing k doran Certificate error ka masla aa raha hay..
Please help karain k ye problem kis tara solve ho sakti hay aor Ye b
Btaien k ye Error kyon atay hay, Matlab k ye Certificate kya hota hay aor
Kab ye Error Occur krta hay...


Thank u