im not a pro so i got similiar problem.its turning to the right an pass the runway and then turn to the left and again and again.

i'll try some things and tell you..
well i found some things that might help slove this problem.
i searched for some pope afb airport charts and found this page:

http://naco.faa.gov/d-tpp/0906/00147IL23.PDF

now i can see from wich altitude to come for  the aprroach and etc.
if it says 2000 the ils "beam" so i will come from 1800 and try to engage in instrument landing.