Sounds like you installed a mod. Hopefully you backed up the file. Just put the original back and you should be ok.
If not, try a re-install. Use the 'Repair' option.
Aviar
Intel i7-4790 4-Core @3.60GHz
Asus Z97-C Motherboard
16GB DDR-3 1600 SDRAM @800 MHz
NVIDIA GTX 760 - 2GB
Creative SB ZX SBX
Logitech X-530 5.1 Speakers
27" AOC LED - 2752
Logitech G15 Gaming Keyboard
CH FighterStick-Pro Throttle-Pro Pedals
Logitech G13 Gameboard
GoFlight GF-T8 Module
WIN 8.1
| 
