Uninstalling Workbench 8.0 AFTER Installing Workbench 8.1 Causes Program Errors, (i.e Error occurred in mesher module).


A conflict in GUIDs causes the Workbench 8.0 Setup program to unregister files required by Workbench 8.1

<Workbench_Install_Dir>v81AISOLCommonFilesDSMesherU.dll
<Workbench_Install_Dir>v81AISOLCAD IntegrationDSXMLExportU.dll

As administrator of the local machine (or equivalent account) do the following:

Method 1: Reregister DSMesherU.dll and DSXMLExportU.dll

Example:

regsvr32.exe "C:Program FilesANSYS Incv81AISOLCommonFilesDSMesherU.dll"
regsvr32.exe "C:Program FilesANSYS Incv81AISOLCAD IntegrationDSXMLExportU.dll"


Method 2: Repair Workbench 8.1 from Add/Remove Programs

Windows Control Panel > Add/Remove Programs > Ansys Workbench Products 8.1 > Change/Remove > Repair





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