Purpleqween_TTV Are you able to connect your computer to a different network? For example, you could set your phone as a mobile hotspot, using data rather than your home wifi, and connect to that. This is just a test and shouldn't use much data.
Please also provide a dxdiag. Click Windows key-R, enter dxdiag in the run box, wait for the scan to finish, click "Save all information," and save the file to your desktop. From there, you can attach it to a reply using the paper clip (Attachment) icon included with the other formatting buttons.
TS3W.exe should be present but isn't used with an EA App install of Sims 3.