WinFax PRO Support

WinFax PRO and TalkWorks PRO does not use fixed TCP or UDP ports when using Fax or Message Sharing. Fax Sharing is accomplished using Microsoft DCOM technology. DCOM dynamically assigns one TCP port and one UDP port to each executable process serving DCOM objects on a computer. DCOM initially uses Port 135, once this connection is established, other ports are used. To ensure proper Fax Sharing, you need to ensure port 135 is not blocked and that wfxctl32.exe process is not blocked in your firewall or anti-virus settings.

Error: WFXCTL32.EXE caused an invalid page fault in module WFXIFWPP.DLL when connecting to a WinFax PRO or TalkWorks PRO Fax Sharing host.

Versions of WinFax affected: Confirmed with all versions of WinFax PRO 9.0x, WinFax PRO 10.0x and TalkWorks PRO 3.0. This error only exists on a fax sharing client, when connecting to a fax host. 

This error occurs when a Fax Sharing client connects to a Host, and displays the Received Fax Dialog box.  This dialog box contains a selection list box from the Host computer containing the Fax Message information, including the number of pages, the Remote CSID, the type of message (fax or voice), and the date & time the message was received.   This data is stored internally as comma delimited format.  If a Remote CSID contains a comma, the list is becomes shifted and is positioned in the list box incorrectly. Lack of error conditions in this module causes the error message in to fault in module WFXIPWPP.DLL

Solution/Workaround:

To correct this problem, you need to view the Host receive log and examine any received faxes that have a Remote CSID that contain a comma.  You need to remove these specific faxes from the Receive log (either delete them, or move them into another folder). 

If these faxes are being received from within your own organization, you can prevent future occurances of this error by remove any comma’s from the CSID’s in the fax machines, or software that you use within your organization. Unfortunately, you cannot control other fax machines that you receive from, so any other fax machine you receive from with a comma is the CSID will trigger this error.

What is a Remote CSID (also called a TSID)? 

This is the data that the caller has entered in the fax machine, or fax software that identifies that specific fax machine. Usually, this information contains the fax number but sometimes can also contain a text message, like a company or department name.  If the CSID (or the TSID) contains a comma, this triggers the error in WinFax.  This is a flaw that was not fixed by Symantec, expecting that a CSID would never contain a comma.

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It’s a link that may look legitimate and appear on search engines like Google, but once you click them, they can link you to another Web site or page that could be totally unrelated to the original link.

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Many of you held off upgrading from XP to Vista are considering the upgrade to Microsoft’s latest operating system Windows 7, but are wondering if many of your existing applications such as WinFax PRO will work.

WinFax PRO and TalkWorks PRO (the fax/voice version of Symantec’s popular fax software) still have a strong user base and many of you don’t want to give up this powerful and easy to use desktop faxing software.

Unfortunately, Windows 7, doesn’t change the compatibility issues with WinFax PRO that were introduced with Microsoft Vista.  As expected, the same compatibility issues with WinFax PRO and TalkWorks PRO also exist with Windows 7. Read the rest of this entry »