See if this might help. From the
BlackBerry Support site, KB17136:
Workaround
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Delete and restore the service records by completing the following steps:
Go to Options > Advanced Options > Service Book.
Locate the BlackBerry Internet Browsing Service [Browser Config] service book.
Display the menu, and click Delete. When the prompt Are you sure? is displayed, click Delete.
Display the menu, and click Undelete.
Repeat steps 2 through 4 for the IPPP for BIBS [IPPP] service book.