The Windows builds of 2.0.8 crash when built-in Syncthing library is used. Stay on v2.0.7 or use an external Syncthing executable until this issue is resolved.
The built-in Syncthing library was updated to 2.0.15. So be sure to read about the major changes in 2.0 on https://github.com/syncthing/syncthing/releases/tag/v2.0.15 if you are using the built-in Syncthing library.
Full Changelog: v2.0.7...v2.0.8