If you get the Failed to create directory message with error=3 when starting Roblox on your Windows PC, use these proven fixes.

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.

When you’re trying to play Roblox and keep getting the “Bad Request 400” error, it can put a wrench in your plans.