May tinh cua toi bi ai do cai dat phan mem bao ve may tinh co ten"USB dick security", cai luc nao toi kg phat hien, nay toi gan USB vao no khong doc duoc boi phan mem doi nhap mat khau, nhung mat khau thi toi kg biet, toi muon xoa pham mem nhung may tinh kg cho xoa, vay ai biet cach nao nho giup toi de toi ket noi duoc USB vao may tinh, xin cam on.