I had the same problem after a Windows update. Turned out that it was Widows Defender that blocked the communication. Short term I solved it by turning off Windows Defender when scanning, but that is not a sustainable slution and Canon needs to come ...
I have the same issue. It popped up for me at the last Windows update. Based on JayC1's comment, I just tried to deactivate Windows Defender Firewall, and all of a sudden I can scan again. This is clearly not a longterm solution and Canon must work w...
