All those who posted that the hint did not help, chech please for the extra SPACE .-) Martin - Saturday, October 20, 2012 11:07:21 AM Thanks! What kind of computer do you have and the customer replied a white one why? Thank you so much !! Walid Kalam - Tuesday, March 20, 2012 12:14:29 PM Reinstalling the software didn't fix the problem, but your solution did. his comment is here
Thank you! TD - Monday, March 12, 2012 2:11:03 PM I confirm this one too!! Problem solved. Fortunately, Google automatically translated the pages, as I do not read Russian.
Today I had another bash at it, was just about to throw in the towel again, and then found your page. Catherine - Sunday, January 22, 2012 2:00:40 PM It worked!! I was on the phone with Canon support for over an HOUR, and they did not know this.
Ehoa - Thursday, December 29, 2011 12:16:27 PM Thanks Jeff, our Lide 60 is back working again on Windows 7! Path variable was the issue Shavaj - Sunday, January 15, 2012 3:37:28 AM Windows 7 64 bit and a Canon 5200F. wakaphwap 604.156 görüntüleme 3:35 Canon 8600f Canoscan repair cleaning take apart - Süre: 7:26. Unable To Select Twain Source Canoscan Scanner Windows 7 anonymous - Sunday, December 16, 2012 5:53:10 PM Thank you so much for your article.
Tks a lot Fabrizio FAbrizio - Saturday, May 4, 2013 11:41:53 AM Thanks a million!! Unable To Select Twain Source Windows 10 Jimbo - Monday, May 14, 2012 1:46:23 PM Many thanks for the solution it is rare that such precise advise is found on the web Antony Zaglas - Wednesday, May 30, i can't find any infomation about the problem in Chinese! Instead I installed CanoscanToolbox_v4.136enVista.exe and it worked immediately :-) Nice to see that your advise have helped so many people! :-) Jorn - Thursday, March 29, 2012 2:18:13 PM Seems to
this left me two months without home scanner after a reinstall to Win 7. Unable To Open Twain Source Please Check Connection Then Restart Toolbox In all Canon support forums and portals, no word even mentioned about this particular disdainful problem. Thank you Chris - Wednesday, July 17, 2013 4:50:11 PM Canon LiDE 500F working fine in Win8_64 ONLY AFTER APPLYING this PATH solution (and Win7_64 drivers)! http://software.canon-europe.com/products/0000465.asp The following (January 2010) Canon scanner software needs to be installed to use your LIDE20 and the Canon Toolbox with Windows XP: ScanGear CS (184.108.40.206a) CanoScan Toolbox (220.127.116.11) Note: I
But we just moved the scanner to a new computer, installed the software and then started getting the "Unable to Open Twain Source" error message. Darrel - Friday, January 20, 2012 8:36:31 PM Windows 7, 32 bit, Canoscan Lide 90. Unable To Open Twain Source Canoscan Lide 60 This worked. Unable To Select Twain Source Windows 8 Jacob - Thursday, January 31, 2013 2:16:09 PM This worked for me, old CanoScan LIDE60 scanner on Windows 7 Enterprise 64-bit.
Thanks. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-windows-xp.html Go to Device Manager -> Choose your device and select -> Update Driver software -> Browse My Computer for Software -> Let me pick... -> Imaging Devices -> Canon Inc. -> This way you can see the whole statement and it is much easier to work with, also, often there may be some duplicate entries and so you can use it as Again, don't use Toolbox 5.0, it didn't work for me (Win 7 64-bit). Canoscan Unable To Select Twain Source Fix
Added the folder to the system path and it started working again. Everything now working again jEFF - Friday, August 9, 2013 12:41:19 AM Wow! The IT person asked. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-win-7.html Thank You!
Philip - Wednesday, June 13, 2012 3:09:37 AM After a reboot worked like a charm!. Twain Source Download Many thanks. it worked ...about 3 hours wasted.
dinkieTopic StarterBeginner Experience: Beginner OS: Unknown Re: Twain « Reply #2 on: August 21, 2012, 04:18:19 AM » Thank you very much for your helpful advice. Imagine that. your solution worked just fine. Unable To Open Twain Source Canoscan Lide 500f After a Windows update and some other installs, my scanner suddenly started presenting this error dialog.
Microsoft has an article about it. Sebastian - Tuesday, January 3, 2012 11:27:04 AM I have a Canon CanoScan 5200f I Did exactly as you instructed...I also double checked and did a restart... Bu tercihi aşağıdan değiştirebilirsiniz. check over here alexm1003 - Thursday, November 8, 2012 5:11:29 PM Thank you sir.
Ross - Wednesday, September 29, 2010 8:25:53 PM Thanks a lot! In the Variable value text box, scroll all the way to the right and then add in the path C:\Windows\twain_32\CNQ4803 that was determined earlier. Also check the TWAIN_32 sub-directory in the WINDOWS/WINNT directory and make sure that only the CNQxxx folder and WIATWAIN.DS file are the only things in there. David - Sunday, May 15, 2011 5:16:37 PM Thanks Jeff, luckly found this page quickly LIDE70 fixed in no time on both XP and Vista computers!
When I first bought my canoscan9000F it worked beautifully with my Windows 7-64 OS. Truly!