03-17-2013 01:15 PM
Welcome to BlackBerry Support Forums
If you device OS is prior to 188.8.131.526 then try Updating your device software or Download BlackBerry World version 184.108.40.206 which is the best Workaround now available for BlackBerry World , for that first uninstall any existing version of BlackBerry World from your device , from Options > Device > Application Management > Locate and delete BlackBerry World .
KB10040 : How to view or remove installed application on a blackberry smartphone
Then perform a Battery pull restart by removing the battery while your device is Powered On..
After device reboots from your BlackBerry Browser browse to or click here http://mobileapps.blackberry.com/devicesoftware/en
KB29422 BlackBerry App World icon is missing after upgrading to BlackBerry App World 220.127.116.11 to 18.104.22.168.