Download this and right click on the file once it's downloaded. Choose properties, then go to the compatibility tab. Once there, check "run in compatibility mode" and choose XP SP2 in the drop-down list. It should work.
If it doesn't, then repeat the steps, and choose Vista instead of XP SP2.
My Computer
At a glance
Windows 7 Professional, Windows Longhorn 4074Intel Centrino Duo T2350 @ 1.87 GHz1GB (2x 512MB DDR2 400Mz)Intel Integrated 945GM Chipset