Roblox installer keeps hitting a critical error when I join games

Question

For a couple of months now, joining any game throws a critical error from the Roblox player installer. I've uninstalled, deleted the leftover folders and reinstalled more than once, and it comes back within a day. Windows is up to date. Anyone got rid of this for good?

rumpa · Answer

Full clean reinstall, not just uninstall. Uninstall Roblox, then go to %localappdata% and delete the Roblox folder completely, then reinstall from the website. Half the time the installer error is a leftover version folder it can't overwrite. Also check you don't have both the Microsoft Store version and the web version installed, they fight each other. If it still does it, add Roblox to your antivirus exclusions, some of them quarantine the launcher mid install.

Roblox installer keeps hitting a critical error when I join games

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