jab mein usb mein koi file copy karta hn to wo copy to hojati hai but thori der k baad sub kuch chala jata hai jo or uski property mein b bilkul khali jagah hoti hai to ye q hota hai jab k mera computer bilkul sahee or virus se pak or antivirus b bilkul sahee hai kam kar raha phr b ye masla q plz help karain mera prblm solve karo thankyou