With Canon scanners, you MUST install the software before the device is
connected. Disconnect the scanner, download and run the Uninstall utility
from Canon's website.... now follow their instructions and install the
software.... then connect the scanner when the software asks you to do so.
--
Cari (MS-MVP)
Windows Technologies - Printing & Imaging
http://www.coribright.com/windows
<(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Hi Everyone;
>
> I hope someone can help me out. I have a Canon LIDE 25 scanner that I
> am trying to get to work with Vista.
> Canon has Vista 32-bit drivers posted on their website. I tried
> installing these drivers and the Canoscan software, but I am getting
> error messages.
>
>
> Firstly, the scanner is not showing as listed in the Canoscan
> application - where you select what scanner you have.
>
>
> Secondly, I keep getting a "TWAIN" error. I believe it says "no TWAIN
> source detected.
>
>
> I though I had everything installed right. There is a "WIA" driver
> from Canon that doesn't seem to install at all.
> I did have the scanner running for a while, the first time I
> installed
> it, but ever since I rebooted it gives me the two errors above.
>
>
> I hope that someone here has also installed a newer Canon scanner and
> has worked this problem out.
> Any help would be greatly appreciated.
>
>
> Thanks!
>