This may or may not be connected to the CTD problems of late but a couple of us are seeing full FS-9 PROGRAM CRASHES, complete with error messages to Microsoft, which appear to have started around the May 10-15 time frame. No new scenery has been added but we were both testing out a new Cirrus SR-20 aircraft when we started seeing the problem. My Scenery Designer Co-worker in Michigan is having the same exact problem(s). Along with the error message and the program croaking right in the middle of a flight (or sitting at the fuel pump) I am also getting an intermittent message on restart that I do not have sufficient memory. The system has 1.5 GB and according to Cacheman, there is 999MB of RAM available. However, you cannot get rid of this flag until you reboot the system... Again, this is a new indication. Both of us are running XP and all of this appears to be new since the middle of the month. I strongly suspect a Microsoft download that happened about the same time. Is anyone else having this specific type problem?Al FR-153

Not me.

I do have the same CTD problem with the Cirrus SR-20. Is it a GPS problem?

Don't know the answer to that one. Hopefully somebody with more aircraft knowledge than I have will jump in here and answer that. I am still trying to figure this one out. Al FR-153

Sounds like a memory leak. Do you have any landclass files in a scenery folder WITH a sister texture folder?The texture folder will need the default textures or you need the Landclass files in a separate folder with a scenery folder and NO texture folder and register it in the scenery.cfg.Joe W.