I have startup issues in Cinema4D when I update to c4dOctane-R14-B0.50, going back to Octane-for-C4D-beta-0.3.4-R14 resolves the issue. The issue is that when Cinema4D loads the plugin (I see only the splash screen) it does crash.

FIXED it:
I did forget to update the files in the main c4d foder ...