Jas,

You need the G3 Interlink to run G3. You can use the G2 Interlink as a second controller in the "split-screen" mode. But, you can not run G3 with a G2 controller as the only one.

There are no patches for this since requiring the controller is basically copy protection for RealFlight. They will not release a patch for this.

If your G3 controller is broken, I'd say the best bet is to contact Great Planes for a replacement.

Carl