Follow these steps to prevent this crash from occurring if you are experiencing it:
- Right-click on Indivisible.exe in your SteamApps install folder (generally found in SteamLibrary\steamapps\common\Indivisible)
- Select "Properties" at the bottom of the list
- Click on the Compatibility tab at the top of the popup window
- Check the box for "Disable fullscreen optimizations"
- Click Apply, OK, and then relaunch Indivisible from Steam