Fixing Mac App Store’s ‘Error 100′

After upgrading Mac OS X to version 10.6.6, several users are encountering an “Error 100” when using the Mac App Store for the first time. If you find yourself running into the same error code, MacStories has a quick fix for you. All you need to do is sign out of the Mac App Store and log out (and back into) your OS X account to get things rolling again. [MacStories] How To Fix Mac App Store “Error 100″ via MacStories