hmm...first maybe korang xde adminstrator right...sebab tu xleh rename folder secondly..virus dah ubah setting pc korang..third folder nye process dah dihijack ke dalam process ..gune unlocker untuk unlock...and last ..maybe ada system problem..try format...cara terakhir..if kalo xleh gak..2 sebab ...virus dok kat boot sector atau hardware problem..xtau nak cakap apa lagi kalo xleh gak nak adjust...XD