bacn na off na nmo imo laptop bro na wla ni.agi ug proper shutdown..
try ug :
safe mode with command prompt then run chkdsk bro bacn naay error imo hd cluster
or
install ccleaner then
update antivirus and run full system scan then after that run ccleaner
or last ky ibutang imo win 7 disc sa optical drive nya restart computer booting from win7 disc then run recovery