Symptom
- Application works with no errors when run by a user with Administrator privileges
- When a non Administrator use views the report the screen flickers
- Or the following error is thrown:
Xerces Panic Error: "could not load a transcoding service"
CrystalDecisions.Shared.CrystalReportsException: Load Report Failed. ---> System.Runtime.InteropServices.COMException: Error Report Application Server In CrystalDecisions.ReportAppServer.ClientDoc.ReportClientDocumentClass.Open(Object& DocumentPath, Int32 options)
Environment
- SAP Crystal Reports, developer version for Microsoft Visual Studio (WPF Viewer)
- Microsoft Visual Studio
- Windows Server 2003
Cause
- The non-administrator user account cannot access the %WINDIR%\System32 folder
- When the non-administrator account tries to access this folder, the WPF caching code is triggered, causing the flicker
Resolution
- See Microsoft KB: Your screen flickers when you start WPF applications in a Windows Server 2003 terminal server session
- Also see Citrix forum Thread: WPF, RDC and ICA don't play nicely together
Keywords
crvs cr4vs 2012 2010 flash windows presentation foundation , KBA , BI-DEV-NET-SDK , .NET SDK / COM SDK , Problem
Product
SAP Crystal Reports, developer version for Microsoft Visual Studio