Microsoft.reportviewer.processingobjectmodel.dll Version 10.0.0.0 Download ((hot)) Jun 2026

If your organization runs an internal line-of-business (LOB) application built with .NET Framework 3.5 or 4.0 and compiled against Report Viewer 2010, upgrading to a newer version (e.g., 12.0, 15.0) can break the application due to breaking changes in the object model or GAC binding redirects.

Or in event logs: Exception: Failed to load expression host assembly. If your organization runs an internal line-of-business (LOB)

This package includes the Windows and Web versions of the Report Viewer. upgrading to a newer version (e.g.