Error with Word Document Conversion

The following error may be encountered when trying to perform a Word Document Conversion:

Unrecognized attribute ‘allowInsecureTransport’

This issue mostly occurs when SharePoint 2010 is installed on a Windows 7 or Windows Server 2010 R2 machine:

If you encounter this error, installing the following Microsoft patch should resolve the error:

http://support.microsoft.com/kb/976462

Example of the Error

Fig. 1. Example of error