Are you unable to open Steam profiles on your PC and see Failed loading profile data error message? Some users have reported that whenever they click on their profile ...

The profile is just the HK_CURRENT_USER registry hive, really. Applications can save all the data they want in there even with mandatory profiles, it will just gets deleted once the user logs off.

If after enabling the Guest account or creating a new user account or an old account maybe after a recent Windows update on your Windows 11 or Windows 10 system, attempts to log into the user accounts ...