Error .net dialog when MF is iconised and you close your computer without closing MF at first.

[DocMoebiuz]

Describe the bug
A clear and concise description of what the bug is.

Steps To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Actual behavior
A clear and concise description of what you actually happens.

Details

• MobiFlight Version: [e.g. 8.2.0]
• FlightSim: [e.g. MSFS2020]
• AddOn: [e.g. Default Aircraft]

Additional context
Add any other context about the problem here.