5] Clear the Store and Roblox cache. If you are trying to update Roblox through the Microsoft Store, it could be a corrupted Store cache causing the problem.

Update Roblox to its latest version. Set up the correct date & time on your PC. ... In case you have installed Roblox from Microsoft Store, open the Store app, go to the Library tab, ...

If you're unable to update the Microsoft Store because it won't open, or if the problem persists even after the update, the issue may be related to the app's cache data on your Windows 11 PC.