topic Can't start Workflow Manager because MSO.dll is missing in ArcGIS Workflow Manager Questions https://community.esri.com/t5/arcgis-workflow-manager-questions/can-t-start-workflow-manager-because-mso-dll-is/m-p/203278#M453 <HTML><HEAD></HEAD><BODY><SPAN>In my Windows 7 PC, when I start Workflow Manager I got the error message "The program can't start because MSO.dll is missing from your computer. Try reinstalling the program to fix this program". I have tried to&nbsp; install a couple time. But the program still can't start.</SPAN></BODY></HTML> Thu, 09 Jan 2014 11:21:31 GMT FengXia 2014-01-09T11:21:31Z Can't start Workflow Manager because MSO.dll is missing https://community.esri.com/t5/arcgis-workflow-manager-questions/can-t-start-workflow-manager-because-mso-dll-is/m-p/203278#M453 <HTML><HEAD></HEAD><BODY><SPAN>In my Windows 7 PC, when I start Workflow Manager I got the error message "The program can't start because MSO.dll is missing from your computer. Try reinstalling the program to fix this program". I have tried to&nbsp; install a couple time. But the program still can't start.</SPAN></BODY></HTML> Thu, 09 Jan 2014 11:21:31 GMT https://community.esri.com/t5/arcgis-workflow-manager-questions/can-t-start-workflow-manager-because-mso-dll-is/m-p/203278#M453 FengXia 2014-01-09T11:21:31Z Re: Can't start Workflow Manager because MSO.dll is missing https://community.esri.com/t5/arcgis-workflow-manager-questions/can-t-start-workflow-manager-because-mso-dll-is/m-p/203279#M454 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">In my Windows 7 PC, when I start Workflow Manager I got the error message "The program can't start because MSO.dll is missing from your computer. Try reinstalling the program to fix this program". I have tried to&nbsp; install a couple time. But the program still can't start.</BLOCKQUOTE><BR /><SPAN> </SPAN><BR /><SPAN>Just found out that after installing Microsoft Visio 2010 the problem started happening. I have to remove Visio to make Workflow Manager working. Anyone has idea on what happens?</SPAN></BODY></HTML> Tue, 14 Jan 2014 15:41:49 GMT https://community.esri.com/t5/arcgis-workflow-manager-questions/can-t-start-workflow-manager-because-mso-dll-is/m-p/203279#M454 FengXia 2014-01-14T15:41:49Z