Fix #2: Uninstall Roblox Player and delete the Appdata folder. If everything is updated but Roblox is still crashing, the next solution that you can try is to completely remove the game.

To fix An error occurred while starting Roblox Studio, Studio details failed to create key or deploy, Reset your Router, Reset TCP-IP, Disable proxy settings, etc.

In this Roblox Error Code 529 guide, we'll talk you through what the error means and how you can try and fix it on your end.