These steps just worked for me:
Make sure you're connected to the internet.
1) Uninstall whatever version of DJI Assistant 2 you are using.
2) Restart your computer.
3) Go here: Old Software Links, etc. (Downgrades)
4) Download DJI+Assistant+2+1.1.6.exe
5) Open DJI Assistant 2 v1.1.6
6) Plug...