Update Rollup 13 isreleased for Microsoft Dynamics CRM 4.0. Click the links below to see more information and download the necessary files.
KB Article: http://support.microsoft.com/kb/2267499
Thsee Rollups are cumulative, so any previous hotfixes and patches are included in the download. However, Rollup 7 is a prerequisite for the Client and the Data Migration Manager packages.