the game launches but minmizies too ?
try right click the orign shortcut icon run as admin do the same for the base game icon restart the computer
see if this can help http://answers.ea.com/t5/The-Sims-3/ISSUE-Sims-3-Minimizing/td-p/3230209
FAQ http://answers.ea.com/t5/The-Sims-3/FAQ-Unable-to-connect-with-origin/td-p/186744
also make sure proxies are turned off
Make sure you have Proxies turned off.
Control Panel --> Internet Options --> Connections --> LAN Settings --> Untick Proxy Server
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