Hi dick69.
I will be able to assist you.
Please follow the steps below and then perform a scan:
1. Open the Windows desktop.
2. Right click on the MF Toolbox icon and click properties.
3. Click the Compatibility tab, then click "Change settings for all users".
4. Put a check next to "Run this program as an administrator", then click Apply and OK.
5. Click OK again on the properties screen.
The MF Toolbox should operate normally for scanning.
If the error persists, please call us at 1-800-OK-CANON (1-800-652-2666) for further assistance.
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