Before posting on our computer help forum, you must register. Jovandeka - Friday, November 25, 2011 3:11:08 PM You just saved my bacon. Should I use 64 instead of 32 in the text? I have reinstalled, despite being 32 bit, it allowed me to continue. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-windows-8-canoscan.html
Am using W764-bit. Thanks in advanced. David P. - Monday, January 23, 2012 7:55:36 PM Wow. The problem was my newest toolbox program.
Loading... Made my day! My scanner worked as usual after I have done this. Ryan J - Tuesday, September 17, 2013 7:52:27 PM Works for Canoscan lide 35.
Like your document folder or desktop etc. Have been puzzling since then (though still able to acquire scans through Photoshop so thought problem was Toolbox rather than driver). I have no advanced settings tab in my system and security menu. Unable To Select Twain Source Canoscan Scanner Windows 7 Thanks, Tibor Tibor - Sunday, October 2, 2011 5:17:50 AM I was unlucky - didn't work - still: many thanks.
For those that have scrolled this far but for whom it didn't work, first install your driver, then go looking for its folder in C:\Windows\twain_32 (yes, even Windows 7 64 bit Unable To Select Twain Source Windows 10 Helenmary Cody - Monday, February 6, 2012 12:59:33 PM Thanks for posting this. Roger - Sunday, April 15, 2012 4:53:27 PM Brilliant - Thank you SOOOOO much. Suddenly it stopped working.
Thanks very much! Unable To Open Twain Source Please Check Connection Then Restart Toolbox It worked for more than one year without any problem. Jacob - Thursday, January 31, 2013 2:16:09 PM This worked for me, old CanoScan LIDE60 scanner on Windows 7 Enterprise 64-bit. I spent the whole morning checking blogs and the Canon site.
Ruben - Tuesday, September 3, 2013 3:55:01 PM Thank you very much for this information! Simple and brilliant. Unable To Open Twain Source Canoscan Lide 25 My scanner worked perfectly until last week - Suddenly I started getting "Unable to open TWAIN source" error. Canoscan Unable To Select Twain Source Fix Zubair - Tuesday, April 10, 2012 11:39:56 AM Wow, you know how much time I wasted on this until i found your tip!!
It was great to find this solution on the internet. this content But here's what DID work: run the Canon Toolbox app as Administrator. Please login or register.Did you miss your activation email? 1 Hour 1 Day 1 Week 1 Month Forever Login with username, password and session length Forum only search News: Home I did not understand what i was doing, but i followed your instructions and it is working now!!! :) Agi - Thursday, February 28, 2013 3:28:09 AM That did it! Unable To Select Twain Source Windows 8
fix my problem. After much fiddling I finaly reached the goal. I have a great old Canon scanner and your advice helped me get it working again. weblink Bruno - Wednesday, August 1, 2012 2:15:06 PM You are great, works like a champ.THANK YOU Esteban - Wednesday, August 8, 2012 10:04:16 PM Scanner worked like a charm for many
Shall I uninstall, and try again, incase I have done something wrong. Twain Source Download Upgrading OS Computer not recognize second Hard... Shame on Canon for ignoring this problem.
Finally my Canoscan 8400F works and with both Canoscan Toolbox and Picasa as well. Michael Cook - Thursday, August 16, 2012 1:54:32 PM Yep, you helped me too! Now working OK. Unable To Open Twain Source Canoscan Lide 500f Thanks a lot !
This solution worked for me, thank you tommein - Sunday, September 22, 2013 12:29:32 PM Help please! I suspect some recent Windows 7 upgrade or other software clobbered the PATH. but instead i changed it into C:\........ http://mixtecadigital.com/twain-source/unable-to-select-twain-source-canoscan-windows-7.html Harry - Monday, October 22, 2012 8:21:42 PM Worked great.
This is most likely going to crash your PC if you don't know what you are doing. Worked perfectly for me. Xuan - Friday, February 22, 2013 5:29:41 PM Thank you so so so very much!!!!! When you find it's folder name, then add that as described above - each scanner model has a different folder name.
saludos canon scan lide25 en win7 64b Cesar - Wednesday, December 12, 2012 9:34:39 PM Thank you so much!!! Worked perfectly on CanoScan LIDE 60 on Windows 7 64 bit os! Slicray - Friday, May 31, 2013 12:14:27 AM Our Canon scanner has periodically had issues requiring us to reinstall the software.