I have noticed that closing the Android emulator by close button (the top right button) takes a lot of time.
Ending process emulator-arm.exe (through task manager) closes it instantly.
When I open the Android emulator next time, there seems to be no data loss.
So is it safe to end process emulator-arm.exe all time?
It probably takes long to close because it’s saving a snapshot to speed up next startup.
If you are not using the sanpshots you can run the emulator with
-no-snapstorageoption to disable them.