ican i help u?? i encountered that problem before.. all you need is a Remove Restriction Tool.. its a software that can resstore those items.. it happens when your AV delete the viruses then the viruses left some scars on you computer like disabling the folder option, task manager and regedit.. pm me if want that software, i got expired lincense of it but u could use it even without the lincense key... thank you.. hope it work for you..