The official patch for Off-road Drive is now available. The update optimizes multiplayer mode, fixes occasional crashes and freezes along with several other issues.
You can find full list of fixes
here.
Please note that this update will be fairly large for Steam users due to nature of Unreal Engine and Steam update process. If you don't have an unlimited Internet traffic quota and/or don't want to update the game, you can disable the auto-update feature for the game by right-clicking the game title in Steam library and choosing the non-automatic update option on the Updates tab.