Microsoft has released an update for Microsoft Office 2010. This update provides the latest fixes to Microsoft Office 2010, 64-bit Edition. Additionally, this update contains stability and performance improvements.

Issue that this update fixes
When you install Office 2010 SP1, SharePoint Workspace 2010 is installed. However, SharePoint Workspace 2010 is not included in the original Office Professional Plus 2010 installation and should not be installed. In certain situations, Microsoft Office Groove 2007 is upgraded to SharePoint Workspace 2010 when you install Office SP1. For more information about this issue, click the following article number to view the article in Microsoft Knowledge Base:
2612800 Office 2010 SP1 installs SharePoint Workspace