I recently purchased the J41 and every time I tern on the avionics I get a ctd but only if the ground power or the engines are on My specs areAMD Athlon 64 X2 Dual Core Processor 46004 GB RAMNVIDIA GeForce GTX 260Vista 32-bit

Full names are used in this forum. You may also email pmdg support to deal directly with them (make sure you get an automated reply); otherwise, the forum is mostly users. What about when you load the default from create a flight? It should load with everything on (except FMS) and engines running.Are you "every time I tern on the avionics " referring to the overhead main avionics switches?