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PostPosted: Fri Nov 13, 2009 10:59 am 
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Joined: Fri Nov 13, 2009 8:25 am
Posts: 1
I hope this is a suitable forum to ask about a twain-connected user problem. If not, I apologize and request redirection.

I have Windows Vista Home Premium SP1 and am trying to run an old OCR application which was written for Win 3.1. I usually try it in Win95 compatibility mode, as the application is known to work in Win95.

Most functions of the old application work in Vista, but it fails if I ask it to acquire an image from the scanner. I am asked to select my twain source, which I do (Samsung SCX4100), but then the scanner gives a couple of grunts and a message box from Vista says "Twain.dll Client's 32-Bit Thunking Server has stopped working". I close the box, am told to check for Windows updates, and finally (when I try clicking around on the application) that "NTVDM.EXE is not responding" and I have to close the application.

I have no alternative twain sources to try, just this scanner source.

The scanner works fine with other (modern) applications.

My c:\windows\twunk_32.exe is version 1.7.1.0 dated 2006/11/02. I believe (but am not certain) that it came with Vista.

I would be grateful for any suggestions to fix this.


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