This is a solution to your problem:
- Uninstall Roblox off your computer (Do not just right click it and click delete you have to actually know how to take it off fully)
- Then install Rolbox back on to your computer (This is easy, there is nothing really to this step)
- Rerun studio. If this still does not work, contact roblox. (Roblox email address is [email protected]
Hope this helps!