Cumulative Update 1 for Microsoft System Center Service Manager 2010 is available for download at the Microsoft Download website. This cumulative update is a rollup of fixes for System Center Service Manager 2010. This cumulative update is also a prerequisite for Service Manager Authoring Tool 1.0 Release Candidate. Additionally, this cumulative update contains a fix for a problem in which out-of-box workflows are run multiple times
This cumulative update applies to the following Service Manager components:
You can apply this cumulative update to these components. However, if the Self-Service Portal or the Service Manager Console is running on a system that has an English language locale, you do not have to apply this cumulative update on that system. The fixes for the Self-Service Portal and for the Service Manager Console are only for systems that have non-English language locales.
For all the details and a download link see the following Knowledge Base article:
KB983572 - Description of Cumulative Update 1 for System Center Service Manager 2010
Download - http://www.microsoft.com/downloads/details.aspx?FamilyID=1f864b54-fd95-4bb7-98c5-e66183875714&displaylang=en