Assalaam O Alaikum ITD experts. problem ye hai k main jub bhi koi rar yaa zip file apmay mobile mein download karta hoon tho wo extract nahi hoti. "corrupt" ka error aata hai. winrar aor 7-zip waghaira sub try kiya lekin extract nahi hota. yahan tak k official sites se download ki hui zip files bhi extract nahi hoti. iska kya karoon?