I have checked and rechecked every setting I can find that relates to Admin privileges and everything I can see has the account as an administrator. But anytime I try to complete a task that requires admin permission, I'm denied access. I have even tried to unlock the hidden admin account via CMD but was given the message, "admin access denied." More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.