Make sure to separate this value with a preceding semi-colon. Perhaps, Canon should research this problem. Ehoa - Thursday, December 29, 2011 12:16:27 PM Thanks Jeff, our Lide 60 is back working again on Windows 7! Yay! http://mixtecadigital.com/twain-source/unable-to-select-twain-source-windows-8-canoscan.html
Bu videoyu bir oynatma listesine eklemek için oturum açın. Anything but a Canon. LaVenus - Saturday, September 15, 2012 2:02:25 AM Thanks! Thank-you thank-you thank-you.
Fortunately, Google automatically translated the pages, as I do not read Russian. Peter Clark - Tuesday, September 25, 2012 1:33:57 PM Thank you so much :) Sepehr - Wednesday, October 3, 2012 2:24:31 PM Bingo! Kevin Rothwell - Wednesday, November 16, 2011 12:53:16 PM Thanks!
Thank you for providing the step by step! Thanks a lot ! It helped. Unable To Open Twain Source Please Check Connection Then Restart Toolbox is this procedure is applicable for me.
Jarryd Semmens - Sunday, January 17, 2010 7:58:47 AM I've also started running Win 7 64-bit and this scanner simply will not work with it. Unable To Select Twain Source Windows 10 At the bottom of this dialog is an Environment Variables button. It works. anonymous - Sunday, December 16, 2012 5:53:10 PM Thank you so much for your article.
You saved me a major headache, Thank you so much! Twain Source Download AP - Thursday, June 6, 2013 9:48:06 AM I tried Jeff's fix in the past and it didn't work, but after coming back and reading the comments, I tried just installing Estrilda December 22nd, 2015 at 19:14 | #9 Reply | Quote @Shannon I encountered similar problem to yours too in the beginning. Saskia - Saturday, September 7, 2013 3:52:57 PM Another 4200F fixed, thanks!
Windows 7, 64 bit, Canon CanoScan 8400F. Path fix did NOT work as others have reported for this version. Canoscan Unable To Select Twain Source Fix Sascha - Thursday, October 25, 2012 5:59:18 PM That did the trick. Unable To Select Twain Source Windows 8 This did not work for me after upgrading some Intel WIFI drivers.
C:\Windows\twain_32\CNQ4803 Now, follow these instructions to get to the dialog to modify the PATH environment variable. this content Taylor - Tuesday, July 16, 2013 9:36:12 PM Great job, it worked for me. Even when I open microsoft fax or scan software it says it can't find the twain device or scanner (dont remember exact msg on that one). Guest Says: I would This will bring up the System Properties dialog (it should already be on the Advanced tab). Unable To Select Twain Source Canoscan Scanner Windows 7
I was going to buy another scanner! I tried inputting the path for one, then the other, but neither worked. alexm1003 - Thursday, November 8, 2012 5:11:29 PM Thank you sir. weblink Like with many others, this problem just happened recently with the CanoScan working great before.
When you find it's folder name, then add that as described above - each scanner model has a different folder name. Unable To Open Twain Source Canoscan Lide 500f You, sir, are amazing. Anyway, I followed your instructions and all is fine now.
Here's the website: support-ph.canon-asia.com/.../0900293303.html The download box is near the bottom. Walid Kalam - Tuesday, March 20, 2012 12:14:29 PM Reinstalling the software didn't fix the problem, but your solution did. Made my day :-) anonymous - Monday, December 17, 2012 6:41:49 PM You Jeff are real star :) :) Works unter Windows 7 Home Premium NOTE to everyone: Do not try Unable To Open Twain Source Canoscan Lide 20 It worked before but when I connect USB on windows 7 and open canoscan toolbox (or press the scan button on the scanner which opens the same software) it keeps telling
Catherine - Sunday, January 22, 2012 2:00:40 PM It worked!! And then some!!! Your fix worked like a charm. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-canoscan-windows-8.html This helped me solve the issue quickly.
Have been puzzling since then (though still able to acquire scans through Photoshop so thought problem was Toolbox rather than driver). Delbert - Friday, February 3, 2012 6:55:01 AM Hi I need your help!!! My beloved Canon LiDE 25 are reunited once more :) ==== Sharada Prasad - Friday, June 21, 2013 12:19:08 AM Worked well. My CanoScan N1220U, about 10 years old now, is only used it a few times a year.
To learn more and to read the lawsuit, click here. My beloved Canon LiDE 25 are reunited once more :) Amanda C - Saturday, June 8, 2013 11:41:50 PM I am trying for help again, the scanner works fine the first I was fighting with this bothersome problem for years. if theres something else do let know Rupesh Says: Guys now it works.....
Thank you very much. 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... Don't know now whether the path needed to be amended, but as it was already done I didn't bother to go back and take it out. 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!
After many unsuccessful tries I was considering buying a new scanner but then I found your blog and these instructions! I had been trying various solution found on the internet: in vain. Thank you! 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)!
Friday, September 30, 2016 10:39 AM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Technet Web site. Putting the Twain_32 folder in Path variable was the solution for me. Thank You Elliphant for your advice in this thread. Now OK your way out of all of the dialogs and CanoScan Toolbox will now work as expected.