ASSALAM O ALIKUM WR WB

mere aik dost k pc me buht ajib vairs aaia he...us k E prtation k tamam folder hidden ho gae hain.tools me folder option b nhi aa rha or na hi controlpanel me...anti virs se scan krne pr sari files scan hoti hain lakin virs koi b nhi aata.antiirs AVAST! he.aik bar window new ki he to thori der k liye show howe or phir hidden ho gae hain.ab agr koi new folder b bnain to wo b khud hi hidden ho jata he.is ka koi hal he????????????