There are some troubleshooting steps on the game FAQ here: https://perblue.helpshift.com/a/disney-heroes/?p=web&s=general&f=how-do-i-fix-a-content-update-failed-error
There are some troubleshooting steps on the game FAQ here: https://perblue.helpshift.com/a/disney-heroes/?p=web&s=general&f=how-do-i-fix-a-content-update-failed-error