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Ensure you have .NET Framework 2.0 or 3.5 enabled on your machine. Version 9.0 of the Report Viewer was built for these frameworks. On Windows 10 or 11, you may need to enable ".NET Framework 3.5 (includes 2.0 and 3.0)" via Turn Windows features on or off . Manual "Bin-Deploy" Workaround
Good features of v9.0.0.0 (Report Viewer 2008) microsoft.reportviewer.common version 9.0.0.0 download