If you're not sure or don't know what the correct version number, You can find it here:
Go to Control Panel, Click "Uninstall a Program" under "Programs" menu.
Scroll down and find "The Sims 4", note the number on the "Version" section. This number will replace the incorrect number in default.ini file.
- See more at: http://www.plumbobnews.com/2014/10/how-to-fix-sims-4-game-update-issue.html?m=1#sthash.0aIDAdaa.dpuf