(This is a cross post - I also posted this over in the ubi.com forum)   
I'm really new to LockOn, I just got FC2 a couple of days ago and I'm learning to fly the A-10.   
Flying  one of the standard A-10 missions, the one where all you have to do is  takeoff, follow the waypoints and then land, I keep running into a bug:   
On  approach to the airport, pressing '1' (nav mode) makes the ILS only  appear on the ADI, not on the HUD. If I press '1' when I am very close  to the runway, the game freezes. Same thing happens even if I land and  press '1' when I am already in Nav mode. Switching to A2A or A2G mode  doesn't cause any problems.   
It only freezes if I press '1' when I am already in nav mode, and only when I'm in close proximity to a runway.   
Any ideas?   
I'm running FC2 v1.2.1   
Thanks.