asalam0alaikum , sawal ye puchna hy k computer pehle theek chal raha tha per kuch dino se bohat hi slow hogaya hy, khas tor per us waqt to hang ,not responding , scripts k error atay hen jab mozilla per browsing karo, me ne mozilla remove kar latest versions bhi try kar liye per still same, poora computer scan karlia, koi tariqa hy window install kiye bagher ,or han computer me windows 7 ultimate install hy, or wo bhi ab ye show karti hy window is not genuine