Lose IFR flight plan with ILS approach when nearing the airport

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Are you using Developer Mode or made changes in it?

no

Have you disabled/removed all your mods and addons?

no

Brief description of the issue:

For the last several months, My IFR flight plans stop working when I get near the destination airport. The magenta course line always disappears when this happens. It also always happens before the aircraft has neared final approach course. If I fly the airplane toward the final approach course course and then engage Approach mode, the AP will usually capture the ILS and Glideslope. If I just set a GPS course (not setting an ILS approach) there is no problem following that course to the destination air[port

Provide Screenshot(s)/video(s) of the issue encountered:

n/a

Detailed steps to reproduce the issue encountered:

Just input any ifr flight plan between airports with ils approaches.

PC specs and/or peripheral set up if relevant:

n/a

Build Version # when you first started experiencing this issue:

SU 10


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Do you have the same issue if you follow the OP’s steps to reproduce it?

Provide extra information to complete the original description of the issue:

If relevant, provide additional screenshots/video:

To get an helpful answer you should give more data such as :
Type of aircraft , the complete flight plan that we could replicate (SID and STAR )and possibly find the issue.
Btw, from your description it could be a problem already discussed a lot in the past. There are many threads in the forum if you search See the following that might help.