I also run into the same issue lately. Something in automatic updates seems
to play with the PATH environmental variable.
I have just added "%SystemRoot%\twain_32\MP830" to system Path variable, and
got my scanner back!
George
"markm75" wrote:
>
> I have an MP830 Canon scanner.. typically when you hit the scan to PDF
> (duplex or otherwise) option on the unit.. Vista (x64) will then pop up
> the scanning interface and save the pdf to the harddrive (based on the
> settings that are stored in mp navigator v2.2.. which still look fine)..
>
> I cant get this to work anymore..
>
> It will work fine if i first launch MP Navigator..
>
> But upon pressing the hard button on the printer, i just get the vista
> wait cursor for a half second.. then nothing.
>
> I've tried reinstalling mp navigator and the printer driver to no
> avail..
>
> Anyone have any thoughts?
>
> I'm thinking it may have something to do with missing registry keys for
> launching the app, but i forget where these are stored..
>
> I also suddenly cant even scan from MPNavigator itself.. i get "scan
> failed".. my scanner driver is installed as Canon MP830 right now..
> (I've turned off the printer, removed everything, registry included,
> then reinstalled twice now with no luck).
>
>
> Thanks
>
>
> --
> markm75
>
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