There are few patches made available for the 803 release. Please update your installations as required. I think the following is a must to have: KB000257 – Patch: Data fields not returned when opening a Worklist using Workflow.Client with the “NoData” flag set to false
The following can be applied as required:
KB000267 – Troubleshooting the “Please install Microsoft Report Viewer Redistributable 2005 SP1 to view reports” Error
KB000281 – Installing the Microsoft “Visual Studio 2005 extensions for .NET Framework 3.0 (WCF & WPF), November 2006 CTP” prerequisite.
KB000268 – Updates applied to SQL 2005 require reconfiguration of K2 for Reporting Services
KB000260 – Patch: When executing an action using Workflow.Client API an “Invalid Archive Type” error is returned