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 ...

Windows 7's Security Account Manager, also known as SAM, is a database that stores user account and security information for users accessing your office computer. The database runs automatically as a ...

User Account Control annoyed a lot of people in Vista, so Microsoft turned down the volume in Windows 7. But they’ve also opened up a massive security hole that leaves PCs exposed to ...

I have been away for a few weeks and the system was left shut down. I started it up, and black screen with mouse cursor is all I have. Shut down and logged in as admin - that works fine. Then changed ...