Am using W764-bit. Tried uninstalling ..new drivers etc etc - nothing. Denton - Sunday, January 3, 2010 10:12:09 PM Fixed my scanner after reading this. Cas - Wednesday, October 26, 2011 2:38:06 AM Thanks Jeff it fixed the problem on my CanoScan LiDE 600F cheers, john JOG - Wednesday, November 2, 2011 9:28:13 AM YES IS his comment is here
I recently installed Roxio Creator 2010 and I believe it is what munged my path. Bu tercihi aşağıdan değiştirebilirsiniz. Lo and behlold, I added the C:\Windows\twain_32\MP800 directory to my PATH and it works again! Just changing the path worked!!
Xie Xie Martin Lejsek August 12th, 2014 at 10:45 | #4 Reply | Quote Thanks a lot for this fix. Clayton - Monday, October 22, 2012 10:07:55 PM Thanks a bunch! Then click on the Next button. When I select OK at the bottom of this page - the message reads...............unable to select Twain source.
Solved my problem. Vinzenz - Friday, October 11, 2013 11:31:35 AM this wasn't working until I kept scrolling through comments and found someone got it working with CanoScan Toolbox 4.9. Drivers CanoScan Lide 50 in Win 7 32bit - HELP!!!:cry: Canoscan lide 50, not working in Win 7 32bit too, please help - canon said that this scanner is NOT compatible Unable To Open Twain Source Please Check Connection Then Restart Toolbox Delbert - Friday, February 3, 2012 6:55:01 AM Hi I need your help!!!
Click "Environment Variables" button in bottom right and a new window appears. Running a 4400F under Win7 32bit. This fix did not help. TD - Monday, March 12, 2012 2:11:03 PM I confirm this one too!!
Konuşma metni Etkileşimli konuşma metni yüklenemedi. Unable To Open Twain Source Canoscan Lide 500f vage - Wednesday, March 14, 2012 3:08:07 PM Worked for me! I am so grateful for your help. many thanks Cynthia - Monday, September 9, 2013 4:03:41 PM Canon MF3240 working great in Win8_64 AFTER APPLYING this PATH solution (and Win7_64 drivers)!
Jack - Wednesday, June 2, 2010 10:24:29 AM you are simply great! However, it is unacceptable that one needs to do manually what should be done automatically. Unable To Select Twain Source Windows 10 This worked for me as well with a Canon 4400f on Windows 7 x64. Unable To Select Twain Source Windows 8 I was on the phone with Canon support for over an HOUR, and they did not know this.
Thank you. http://mixtecadigital.com/twain-source/unable-to-select-twain-source-canon-lide-25.html Many thanks! This tip worked for me (Win 7) and many thanks.. What kind of computer do you have and the customer replied a white one why? Unable To Select Twain Source Canoscan Scanner Windows 7
Oturum aç 21 Yükleniyor... It worked for more than one year without any problem. Now it is working again!! http://mixtecadigital.com/twain-source/unable-to-select-twain-source-canon-lide-110.html Many thanks to everyone.
Finally solve my Connection Problem!! Twain Source Download Once again, Thanks a million! A family member came yeserday and spent over an hour trying to work out what the problem was.
Thursday, February 13, 2014 11:26 AM Reply | Quote 1 Sign in to vote Hi Marc from Russia write this solution and work for me. Some time ago I downloaded CanoscanToolbox4.932en_win7-Vista-xp.exe from Canon site. I've been looking for a solution for quite some time. Unable To Open Twain Source Canoscan Lide 20 God Bless!
I went to press the arrow on my laptop and pressed wrong button grrrrrrrr, could you help plz thanks CheekyKelz - Sunday, November 6, 2011 7:53:33 AM Hi CheekyKelz, Unfortunately the 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 check over here Thanks you very much!
Nanda - Thursday, June 20, 2013 6:25:10 PM I also faced the same problem: --------------------------- CanoScan Toolbox --------------------------- Unable to open TWAIN source Please check connection Then re-start Toolbox ============= I Canon owes you a beer! It saved me from buying a new scanner Edited by ThomasMuc2 Saturday, August 01, 2015 8:34 PM Saturday, August 01, 2015 8:32 PM Reply | Quote 0 Sign in to vote