[quote=xelcris]i tried hitting windows logo + R.. but it didnt work... it said dat "this operation has been cancelled due to restricttions in effect on this computer. please contact your administrator[/quote] does your window task manager(ctrl alt del) works?? and your folder options in show hidden files work?? check them out :idea: if these are not working then im sure that your pc is infected by a virus. it happened to me..yrs ago im not familiar what is the name of the virus.. but i had a feeling that its trojan