Don - Wednesday, June 26, 2013 1:47:20 PM Holy S*&T!! Kindly help me Tuesday, October 20, 2015 4:34 PM Reply | Quote 0 Sign in to vote Hi. Thank you for providing the step by step! Such a simple fix, but so deep in the details. his comment is here
Josh - Friday, June 17, 2011 4:57:53 PM Running Vista Home Premium. But what I don't understand is, why it suddenly got this point. Eric - Saturday, September 24, 2011 9:25:23 PM Thanks Jeff for the information regarding the "path". I'm using Vista Home Premium SP2.
Mark - Saturday, July 14, 2012 11:38:34 AM Lide 25 users with windows 7. I'm so grateful to you! Thanks a million!
thanks jessie - Saturday, February 25, 2012 1:41:42 AM This solved the problem. Rachel Williams - Tuesday, July 30, 2013 7:46:48 AM Worked for me, this is what I wrote: %SystemRoot%\system32;%SystemRoot%;C:\Windows\twain_32\CNQL25 Michael - Wednesday, July 31, 2013 1:16:33 AM You are my hero! When I open the CanoScan toolbox, and try to scan, it says "unable to select TWAIN source." I have tried the troubleshooter, downloaded the driver and the entire CanoScan program (for Twain Source Download Skulkin 16:40 26 Apr 06 Locked Hi allHaven't used my scanner for a while.When I try to scan it displays a message box titled CanoScan Toolbox with a big exclamation mark
Zupahome - Sunday, May 19, 2013 4:49:15 PM Awesome - Worked Perfect. Canoscan Unable To Select Twain Source Fix thanks a lot !! Go to Device Manager -> Choose your device and select -> Update Driver software -> Browse My Computer for Software -> Let me pick... -> Imaging Devices -> Canon Inc. -> Lütfen daha sonra yeniden deneyin. 23 Haz 2013 tarihinde yayınlandıI am using a Canon Scanner (CanoScan LiDE 60).
Now, it is working again! Unable To Open Twain Source Please Check Connection Then Restart Toolbox Putting the Twain_32 folder in Path variable was the solution for me. Then I discovered this page. In any event, the solution worked super well for me.
something like that, and when I close the popup, the "no twain device found" appears. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-windows-xp.html Long Zheng - Thursday, January 12, 2012 12:38:12 AM Hi Rick, It looks like the 5200F is a European model only which possibly could be the problem with installed a US Learn more You're viewing YouTube in Turkish. Once again, Thanks a million! Unable To Select Twain Source Canoscan Scanner Windows 7
You're a saviour. BleepingComputer is being sued by Enigma Software because of a negative review of SpyHunter. Let's hope this entry stays around as long as it's needed. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-xp.html After installing a new Canon multi-function printer, my old Cannon 9950F scanner stopped working with the error described. (It's got a long scanning bed, so I want to keep it.) It
This helped me with CanoScan 8400F. Unable To Open Twain Source Canoscan Lide 500f It works fine Jazz Says: Hi, Its worked without rebooting. Install the driver without plugging in the scanner until either prompted or when driver installation is completed.This is a harmless way to start, may not do the trick but ought at
Also works with the 4200F on Windows 32-bit Vista Home Edition. A thousand-times thanks. Register a free account to unlock additional features at BleepingComputer.com Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers. Unable To Open Twain Source Canoscan Lide 20 Patrick - Tuesday, September 3, 2013 10:26:06 AM Thank you!
Rowan - Wednesday, April 20, 2011 3:20:44 PM thanks a lot! saludos canon scan lide25 en win7 64b Cesar - Wednesday, December 12, 2012 9:34:39 PM Thank you so much!!! The PATH solution worked for my LiDE 60! check over here Iain Friday, December 03, 2010 4:31 PM Reply | Quote 0 Sign in to vote Hi Andy, I also ran into the problem of the TWAIN Driver getting disconnected from the
Fixed my LiDE 25 on Win 7 x64 Lupe - Friday, June 29, 2012 2:16:26 PM Wow! Chris - Tuesday, May 8, 2012 3:25:20 AM Worked great for my CanoScan 4400F on Windows 7 Ultimate. I changed the path like you said above, but it it still is not working right. I've had this scanner for a couple of years - and encountered this problem for the first time today (of course, when I needed it to work urgently).
Cathy - Thursday, July 12, 2012 4:53:27 PM Jeff, you are a star *. Must have been some system configuration change or other service pack that mucked up Twain, but what do I know. Petr K. - Friday, April 6, 2012 8:53:32 PM Thanking you so much for the advice...I added the environment variable and it fixed it.