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Does anyone know how to fix this problem?

The system extension CNQL2410_ClassicNotSeize.kext was installed improperly.

I'm not sure what is triggering the error.

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up vote 2 down vote accepted

Have a look at the Canon site.

They have uploaded some new Snow Leopard (10.6) compatible drivers as at 9 September 2009.

Seems to fix the problem for me.

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It's happening on my Mac too, I think it's something to do with the Canon Scan Gear software and a PowerPC component that won't run because the default installation of Snow Leopard doesn't include Rosetta?

I haven't tried this yet but either install Rosetta (a dialogue will ask you to do this is you launch a PPC app) or see if you can find a Snow Leopard compatible scanner driver on the Canon site.

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Yeah I've got the Canon Scan Gear software installed also. – ScArcher2 Aug 31 '09 at 13:23

fwiw, i just got the same error message while installing an updated Line6 driver and i do have Rosetta installed. i do also have a CanoScan LIDE scanner and what little turns up on Google suggests that this may the source of the problem. why installing a Line6 driver triggered for me, though, i do not know. possibly a freakish coincidence.

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the same message appears after the installation of Vodafone Mobile Broadband 3.04.06.00 GMC on my MacBook (and it don't work with Snow Leopard ...) adriano p.s. I also have a Canoscan LIDE 500 F p.p.s. installing the old Vodafone Mobile Connect I obtained 5 (!!!) Kernel panic ... so, do you know if exists an universal drive for Huawei E272 ?

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Sounds like a Canon issue. I too have the CanoScan LIDE 500F and Snow Leopard – however I didn't have any problems installing Snow Leopard, but just now I installed iTunes 9 and got two errors; "System extension can not be used" for both /System/Library/Extensions/CNQL2410_ClassicNotSeize.kext and /System/Library/Extensions/XEROX USB Printing.kext

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I got the same error in installing Xcode from the Snow Leopard CD. No problem reported when i upgraded the OS to 10.6, and am running Rosetta.

Also have CanoScan LiDE driver and CanoScan tools installed. They've never worked well; however, Image Capture does work well with my model (500F) and has all the features i was able to access with the Canon tools before Snow Leopard.

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This is so weird. I got my 500F working - finally - after installing 10.6 by going into CanoScan and simply looking at the Settings dialog. Once I clicked 'OK' the scanner was recognised and I could use it. Before, nada.

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