MORE: Is Roblox Adding Refunds And Being Sued in 2021? 7 Ways To Fix Roblox Not Working Issue [2021 Edition] Every once in a while, players report that Roblox is not working for them.

Fix #3: Update Roblox installation files. If Roblox is still showing the same crash error, the final solution that you can try is to update certain files in the installation folder.