bibas ji!

i have been getting serious error as shown in the picture attached with it. the errors are like the task manager is disabled, folder option from tools menu has disappeared, control panel cannot be accessed, if you want to do so, the error message displayed is "the task you're trying has been disabled by your administrator"...i tried the hijackthis program but the error still exists....it's so confusing to fix the files, some of them are drivers and system related, plz help......bibas ji