User Account Control, or UAC, is a security mechanism built into Windows. Here's how to change its protection level and whether you should disable it.

Once universally loathed, UAC is now a very useful tool for blocking Windows security threats. Here's how to make sure you're using it appropriately. Quickly, without stopping to think about it, name ...

The User Account Control (UAC) tool was one of Vista's most vilified features -- popping up and nagging you whenever you wanted to install or update a program -- and many users will be surprised to ...