You don't have appropriate permission to perform this operation" operation system vista enterprise office ... 2007 professional plus I have created mail account short time ago (2 weeks ago) but now in outlook 2007, I want to new a mail or reply button click and then outlook 2007 shows message "You don't have appropriate permission to perform this operation" I deleted user's profile. I created new profile different name and then new e-mail button .. again this message how to fix this problem?