After applying Cumulative Update 2 for System Center Operations Manager 2007 R2, the OpsMgr shell may fail to open

After applying Cumulative Update 2 (CU2) for System Center Operations Manager 2007 R2, the OpsMgr shell may fail to open in environments with a code execution policy of “All Signed." The following errors are generated: The following error occurred while loading the extended type data file: Microsoft.EnterpriseManagement.OperationsManager.Client, C:\Program Files\System  Center Operations Manager 2007\Microsoft.EnterpriseManagement.OperationsManager.ClientShell.Types.ps1xml : File…

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