The Members Forum

When you try to install Service Pack 1 (SP1) for Windows 7 or for Windows Server 2008 R2, you receive a "The following updates might need to be reinstalled" message. This issue occurs if you have one or more of the following hotfixes installed on the computer:

983534  (http://support.microsoft.com/kb/983534/ ) - Performance of the DNS Server service keeps decreasing under a heavy load situation in Windows Server 2008 R2

979350  (http://support.microsoft.com/kb/979350/ ) - SharePoint Workspace 2010 or Groove 2007 clients who are provisioned to Groove Server Relay in Windows Server 2008 R2 may experience a synchronization failure

2406705  (http://support.microsoft.com/kb/2406705/ ) - Some I/O requests to a storage device fail on a fault-tolerant system that is running Windows Server 2008 R2 when you perform a surprise removal of one path to the storage device

Microsoft support has the answers HERE!