First things first: make sure you’re running the latest version of the Roblox Player. Outdated versions are notorious for causing conflicts. Check the official Roblox website or your platform ...

Disable fullscreen optimizations for Roblox. Try using Roblox’s Microsoft Store version. Completely reinstall Roblox on your PC. Contact the Roblox Support team.

When trying to launch a Roblox experience, you receive Error starting experience error message on Windows PC, take these steps to fix the issue.

In your PC’s firewall settings, locate Roblox among the list of installed problems. Depending on your firewall software, look for an option related to changing permissions or settings.