If you are trying to update Roblox using a web browser, a broken browser cache could be causing the problem. Hence, clear the browser cache and then try updating Roblox. 4] Reset network settings ...

The problem can also be only related to the web version of Roblox, which is a common thing. So, in this situation, you can use the Microsoft version.

If your main Roblox account remains inaccessible for more than a few days or if you really can’t wait to play again, consider creating a temporary or secondary account. How-to's Gaming ...