05-12-2013 02:34 PM
Go through those KB related to this error message and error code :
KB25882 : "An error has occurred. Please try again later" is displayed when the user attempts to login to BlackBerry App World
KB28188 : "BlackBerry App World is having trouble connecting to the BlackBerry App World server. Verify your network connections and try again. (Error id: 40820) " error is displayed when opening App World on the BlackBerry smartphone
Inaddition On your Homescren Go to Manage Connection > Service Status > BlackBerry Internet Service = what is status ?