I have detected problem in VISTA... mama files wagayak copy kera flash drive ekakata... akata files copy wenakota copy process eka stuck wenawa... dethun sarayak try kerama files tika danna puluwan.. bt files tika copy unath awa corrupt wenawa.. flash drive eketh prob ekak na. Mekata hethuwa kowruhari dannawada??? Mama Hithanne Prob 1 OS eke...