OK I just downloaded Plan-G a few hours a go and I have it set up. The idea is make sure simconnect is working before you set it up with Plan-G.

All I did was:

1. Download/Install/Run Plan G on PC 2
- I notcied no buttons were working but there was an instruction to link the fsx.exe and scenery.cfg files - so I did (I always copy a version from C:/ProgramData into mg FSX main folder).
2. Start FSX on PC 1
3. PC 2, In Plan-G, build database
4. PC2, In Plan-G follow the directions from pasterke (above) and select simconnect and fill in the blanks. (if you already have simConnect working, you know what to plug in there).
5. PC 2, Go back to Plan-G Home and click on connect. You will see your aircraft in yellow and AI in red if it works.

Now if you don't have SimConnect working and have Win7 on both machines I can help.