Its been almost two months; blah blah the reasons... Now the question is Do you use two or more Operating systems ?
If YES, you might have already suffered restarting and booting to other operating system to access the files on the desktop of the other OS; or The sticky notes of the other OS; or In the worst case, if you have a sync-able applications like Evernote, which maintains a local database; You need to sync on the both sides of different operating systems.
I know its really really painful.
Now say GOOD BYE to these problems.
Let me give you some scenarios through which you could better understand.