I recently installed Visual Studio Ultimate 2013, and when I tried to Sign In to my Microsoft Account, I get the following error:
SP324099: Could not
Resetting IE settings solved this for me.
Found answer here: http://answers.microsoft.com/en-us/ie/forum/ie11-iewindows_10/ie-11-prevents-me-from-registering-visual-studio/0f9ec16e-cc19-403c-9234-5e92ba00e276?auth=1