After a Windows update and some other installs, my scanner suddenly started presenting this error dialog. Control Panel > System > and then choose Advanced System Settings in the left hand column. Thank you VERY much indeed. However, after I did this, I can no longer scan unless I use the WIA function in Photoshop, which is inferior and not recommended by Epson anyway. weblink
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greywarrior - Monday, September 30, 2013 5:58:40 PM Thank you Amanda C - version 4.9 works for me when 5.0 did not PreshawPete - Wednesday, October 2, 2013 12:47:03 PM Thank Loreto College Coorparoo 969 views 1:53 Top 10 Scanners 2015 | Best Document Scanner Review - Duration: 7:16. I even tried to do a disc cleanup after uninstall as well as manually deleting any leftover files that didn't get removed from the uninstall. Joe - Thursday, May 19, 2011 1:41:58 PM YOU ARE THE BEST!!!!!!!!
Alexander - Tuesday, July 16, 2013 2:05:41 AM It works! and don't bother to install all of HP's software. Advertisements do not imply our endorsement of that product or service. Unable To Select Twain Source Windows 8 Clayton - Monday, October 22, 2012 10:07:55 PM Thanks a bunch!
Thank you sooooo much. Unable To Open Twain Source Windows 10 Why this isn't simply found when updating drivers etc on the Canon site. Cheers Jeff. My LIDE 35 (for Win7-64 use driver for LIDE60) was working for 2 years and then stopped.
Thanks to everyone with their input! https://forums.adobe.com/thread/486625 This works fine for my CanoScan 4400F! Could Not Open The Twain Source. Make Sure There Is A Valid Source Joseph - Tuesday, March 19, 2013 8:58:09 AM Thanks for this information. Unable To Select Twain Source Windows 10 Thank you!
Thank you! http://sinistro.org/twain-source/could-not-open-twain-source-windows-7.html Boyd - Monday, August 15, 2011 11:26:21 AM Thanks! Suddenly stop working today. jhen - Tuesday, February 7, 2012 10:07:07 AM Thank you so much, it works!!! Canoscan Unable To Select Twain Source Fix
Loading... thank you! If Twacker successfully scans an image, one of your scanner's drivers is working properly. check over here Rich H - Monday, June 3, 2013 9:00:19 AM Hey.
Fixed my problem in 2 minutes! Unable To Select Twain Source Canoscan Scanner Windows 7 The problem was my newest toolbox program. Should I use 64 instead of 32 in the text?
anonymous - Sunday, December 16, 2012 5:53:10 PM Thank you so much for your article. If ABBYY FineReader still produces an error, please contact the technical support service. Warren - Saturday, April 23, 2011 11:53:59 AM Thanks a lot. Unable To Open Twain Source Please Check Connection Then Restart Toolbox Erik Siegel - Sunday, October 7, 2012 8:33:41 AM Many Many Thanks.
Please try again later. The printer is on and connected to the WiFi, but somehow the computer isn't reading it. Lo and behlold, I added the C:\Windows\twain_32\MP800 directory to my PATH and it works again! http://sinistro.org/twain-source/could-not-open-the-twain-source.html Finally solve my Connection Problem!!
Your kindness in posting this solution is STILL helping people out! Dave Qnir - Sunday, August 19, 2012 11:39:00 AM Great! But here's what DID work: run the Canon Toolbox app as Administrator. Can Cannon be any more bad at support?
I´m desperate! Many thanks. It worked fine with my lap top, I just a new computer with windows 8 (I hate windows 8) on it, and I have to keep restarting the computer to get The WIA works fine but it doesn't give me the quality options to scan like TWAIN connection does.
Google definitely put the most helpful answer at top of list! Make sure there is a valid source for > your scanner in the TWAIN directory found in the Windows directory." > > The mirafoto software is in windows/twain_32 directory. > >