Make sure the folder is present (maybe you have to start the game first)
%USERPROFILE%\Documents\EA Games\The Sims 2
If not then open DSG_Settings.ini and delete the following lines
Code:
Data2.Name=Data1b-01.bin
Data2.Destin={userdocs}\EA Games\The Sims 2
Data2.Source={userdocs}\EA Games\The Sims 2