When you've logged out of all of your Roblox accounts, try logging in only on your Windows Desktop. You can re-enter the Roblox login screen.

To log out of your Roblox account in Windows 10/11, just navigate to the Roblox home page. Once you’re there, tap on the Settings icon from the upper-right side of the screen then select Logout ...

FIX There was a problem receiving data, please reconnect Error 260 AND Disconnected from the game Error 273 in ROBLOX on Windows PC.