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Microsoft .Net Framework unhandled exception “Could not load file or assembly ‘ Microsoft.Report.Viewer.WinForms, version =12.0.0.0 …” error on launch of AdminStudio 2018 R3

Microsoft .Net Framework unhandled exception “Could not load file or assembly ‘ Microsoft.Report.Viewer.WinForms, version =12.0.0.0 …” error on launch of AdminStudio 2018 R3

Summary

After installing Adminstudio 2018 R3, upon launching Application manager, Microsoft .NET Framework unhandled exception error message box displayed and clicking on continue button twice opens the Application manager successfully

Symptoms

Launching Application Manager displays Microsoft .NET Framework unhandled exception error message box as below

.Net Exception.png

Cause

Microsoft Report Viewer 2015 prerequisite not installed properly while installing AdminStudio 2018 R3

Resolution

  1. Open to Add or Remove programs / Uninstall or change a program from control panel > Programs>Programs and Features
  2. Uninstall Microsoft Report viewer 2015 Runtime
  3. Reinstall the Microsoft Report Viewer 2015 Runtime downloaded from https://www.microsoft.com/en-us/download/details.aspx?id=45496
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Version history
Last update:
‎Jul 22, 2019 03:48 AM
Updated by:
Level 7 Flexeran