This problem is really strange. To be honest, i was too lazy too read all new posts since i wrote my last reply. Because of this and because i haven't seen it mentioned before, i have to ask if you, before you formatted your Harddisk and installed everything new, made some Backups of some files that you've put into the new rF2 installation? Did you ever made a try with a fresh rF2 installation without using anything from any old installation, especially no old player.JSON or controller files? And did you ever made a test with only the G25 and no other controller plugged?