Basic Reinstall: Uninstall Roblox through your control panel (or Apps settings) and then download and install a fresh copy from the Roblox website. This is your first line of defense.

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.