How to get older versions of Solidworks to work on Win 7 and Vista
Follow the steps and it should work fine!
Download the C++ installer, http://www.microsoft.com/download/en/details.aspx?id=21254 (this is for 64 bit systems, you can also download 32 bit from that link)
After you have installed the installer, right click on the shortcut icon in the start menu - properties tab
Click on the combatibility tab and select Win Xp sp2 for example.
Problem Win 7?