Error: Word cannot start the converter Mswrd632.wpc

Error: Word cannot start the converter Mswrd632.wpc

Cannot Mail Merge with to MS Word or Excel after security update from Dec 2009. This is a fix for firmworks and Lotus notes merge not importing/working to microsoft after this update:
http://support.microsoft.com/kb/973904

Resolution:
Open the Windows Registry.
Locate the appropriate registry subkey (NOTE: If the WordPad registry key does not exist, it will need to be created manually):


For 32-bit versions of Windows:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Applets\Wordpad

For 64-bit versions of Windows: Windows:
HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Applets\Wordpad

Right-Click on the WordPad key and choose New > DWORD Value.
Name the new DWORD value AllowConversion
Right-click AllowConversion, and then click Modify.
Enter the number 1 in the Value Data box and click OK.
Exporting to excel and word will work after adding this reg key

references:
http://forums.blackbaud.com/blogs/raisersedge/archive/2009/12/11/news-you-can-use-error-in-mail-merge-after-installing-windows-security-update.aspx

http://support.microsoft.com/kb/973904