Hi gac75,
If you have any antivirus or firewall programs installed on your computer, please temporarily disable them and then attempt to scan again, as these programs can sometimes block the scanning process. If you still experience difficulty, we ask that you please call 1-866-261-9362, Monday - Friday 10:00 a.m. - 10:00 p.m. ET (excluding holidays) for further assistance. A Canon technical support representative will be happy to help. There is no charge for this call.
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