"Martin" <mail2waag@planet.nl> wrote in message
news:bfej1d$r8a$1@reader08.wxs.nl...
> just have bought a Canon Powershot A70 Digicam and I allready had a Mustek
> 600CU scanner who are both connected via USB on a PC with Windows XP Pro
> with Service Pack 1.
> The problem is now that when I connect the digicam,he won't be reconized
at
> first,but after a reboot he works perfectly but than I get no response
from
> the scanner.
> But after I disconnect the digicam and I reboot again,the scanner works
> perfectly.
> I've tried to change some things in regedit because the both divices seems
> to use the same file ( C:\WINDOWS\system32\drivers\UsbScan.sys ),but that
> didn't works allso.
> Does anybody knows this problem and knows what I must do about it (instead
> of using a cardreader)
> Thx in advance!!!!
>
> Martin
>
>

This is a known problem with windows XP. Only one USB imaging device can be
used at a time as these devices all use USBSCAN.SYS and the OS. can only
support one instance at a time.

The workaround is only to connect the device you need to use when you need
it.
See MS knowledge base article 324756 dated June 2002.

Richard.