Hi Hayden,
Did you use the following file to install the game?
If so, can you confirm the version of the launcher and of the game (You can see both of these in the launcher window).
If they match the following details:
Launcher Version: Renegade-X Launcher v0.76
Game Version: Open Beta 5.293
You can see an example of a fully updated version of the game and launcher in this image
Can you then please run the following:
Settings -> Verify Game Integrity / Reset Game (Either option will work for this purpose)
Then try once more, If this still fails, we will need a log file from yourself to help diagnose this issue (if one is being created)