Summary

You may receive the following error message when starting Quick Fields 10:

Method not found: 'System.String Laserfiche.BatchProcessor.Runtime.BPApplicationInformation.get_CommonOptionsFilePath()'.

at Laserfiche.QuickFields.QFApplicationBase.LoadOptions()
at Laserfiche.QuickFields.QFApplicationBase.OnInitialize(ReadOnlyCollection`1 commandLine)
at Laserfiche.Project.ApplicationBase.RunApp()

Cause

There is a potential upgrade issue when upgrading to Quick Fields 10 from Quick Fields 9 with the most recent update installed.

Workaround

Uninstall Quick Fields 10, manually delete the following assemblies from the .NET 4 Global Assembly Cache, and then reinstall Quick Fields 10.

1. Uninstall the affected Quick Fields 10 installation.
2. Using the Windows File Explorer, delete the following folders from the .NET 4 Global Assembly Cache:
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Laserfiche.BatchProcessor
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Laserfiche.BatchProcessor.Processes
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Laserfiche.BatchProcessor.XML
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Laserfiche.QuickFields.Processes.PDF
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Laserfiche.QuickFields.Processes.Runtime
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\BatchProcessor.Connection
   • C:\Windows\Microsoft.NET\assembly\GAC_MSIL\BPPDFImporter83
3. Reinstall Quick Fields 10.