Hi there! I'm sorry to hear that MX Bikes isn't starting for you. Let’s work together to get this sorted out.

To start, I’d like to gather a bit more information. Could you let me know if you see any error messages when you attempt to launch the game, or does it just do nothing? Also, do you usually run the game through Steam?

Here are some initial troubleshooting steps you can try:

1. Check Antivirus Settings: Sometimes, the game can be blocked by antivirus software. Please ensure that mxbikes.exe isn't being blocked. You can check your antivirus settings and create an exception for the game if needed.

2. Verify Game Files: If you're using Steam, right-click on MX Bikes in your Library, select "Properties," then go to the "Local Files" tab and click on "Verify Integrity of Game Files." This will check for any missing or corrupted files and restore them.

3. Update Graphics Drivers: Make sure that your graphics drivers are up to date. This can affect the performance and startup of the game.

4. Restart Your Computer: Sometimes a simple restart might resolve any temporary glitches that are affecting the game.

If these steps don't solve the issue, please let me know, and we can dig a little deeper! Are you satisfied with the solutions I provided so far?