1) Uninstall your version of RoN. Reinstall the 4.17 exe that you used previously.
2)Download update 4.19 here:
3)Install the 4.19 patch. Enjoy.
If the patch address stops working, let me know and I will add the file to rapidshare. I will not upload the original game for obvious reasons.
I get to suffer for buying the damn thing on DVD, because the DL patch won't work on my copy of the game, and I cannot for the life of me find a 4.19 patch for it.
Oh, btw, that link no longer works.