Act! Word Templates Error "Unable to cast COM object of type 'Microsoft.Office.Interop.Word.ApplicationClass' to interface type 'Microsoft.Office.Interop.Word._Application'."

When trying to edit a Word template I receive the Error: “Unable to cast COM object of type ‘Microsoft.Office.Interop.Word.ApplicationClass’

Steps to fix:

1. Close Act and Word
2. Open a run command and get into regedit
3. Find these registry keys:
   1. For 32-Bit Version of Windows
      • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Word\Addins\ACT7.OfficeAddIn
      • HKEY_CURRENT_USER\Software\Microsoft\Office\Word\Addins\ACT7.OfficeAddIn
   2. For 64-Bit Version of Windows
      • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\Word\Addins\ACT7.OfficeAddIn
      • HKEY_CURRENT_USER\Software\Microsoft\Office\Word\Addins\ACT7.OfficeAddIn
4. You will need to modify a registry key named LoadBehavior. It needs to have its value changed from 3 to 9.  Try editing only the two ACT7.OfficeAddin Keys first.
5. Open Act, test if the problem persists
6. If the problem continues, go back into the registry and change two more keys LoadBehavior from 3 to 9.
   1. For 32-Bit Version of Windows
      • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Word\Addins\ActOffice2007Addin.Connect
      • HKEY_CURRENT_USER\Software\Microsoft\Office\Word\Addins\ActOffice2007Addin.Connect
   2. For 64-Bit Version of Windows
      • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\Word\Addins\ActOffice2007Addin.Connect
      • HKEY_CURRENT_USER\Software\Microsoft\Office\Word\Addins\ActOffice2007Addin.Connect

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