Welcome to the community @Gato_SHD. 
This is a known issue with the Civ 6 game itself, as well as Civ 5. It is not triggered by WeMod.
Some things that have worked for some people:
- Add Civ 6 as an exception in your antivirus.
- Make sure your GPU meets the minimum specs.
- Verify the integrity of the game files.
- Uninstall the game, manually delete all straggling files in the My Games folder, re-install.
These may help: