I can tell you a solution man, let's go item by item first
1. Do all windows updates, do not postpone updates to your computer. Notifications of these may throw you to the desktop.
2. Also, one of the background applications may be the cause, I suggest you close all other applications while the game is open.
3. You can close background applications as follows; Go to Start, type msconfig and open msconfig.
4. Switch to the Startup tab in the window that comes up.
5. Uncheck all apps except essential apps like Intel, Nvdia and ATI Switch to the Services tab and tick the box next to "Hide all Microsoft services" at the bottom.
6. Likewise, remove tik from all applications except important applications.
7. Press OK and restart your computer.