PLEASE HELP ME! I cant open my user account at the control panel, and my local disk c is unaccessible.?

in my user account, i cant change my account type, account name, turn user account on or off %26amp; i also cant manage other account even if i'm the administrator, in my local disk c, when i tried to open it t says that : C\: isnt accessible . . .ACCESS DENIED.





Can someone please tell me how can i fix this.


I'm using windows vista not a windows XP.


Please HelpPLEASE HELP ME! I cant open my user account at the control panel, and my local disk c is unaccessible.?
Try booting into safe mode by pressing F8 while the system is booting up. After you log in there as administrator, see if you can change your user account to what you want.





If you do that and still have trouble, maybe you picked up a virus?

make up