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Old Yesterday, 01:42 PM   #1702
Deep-sea octopus
Junior Member
Deep-sea octopus began at the beginning.
 
Posts: 2
Karma: 10
Join Date: Nov 2025
Device: kindle PW5
Hello,

I‘m having trouble running the Kindle Comic Converter (KCC) on my Mac running Catalina.

Device: Intel Mac with macOS Catalina 10.15.7.
What I’ve done: I have installed Kindle Previewer 3 and successfully moved KCC into my /Applications folder (permissions seem fine).
The problem: When I try to open KCC, it just bounces in the Dock for a few seconds and then nothing happens. It doesn‘t launch.
What I’ve tried: I tried to run the executable directly by right-clicking the app, selecting “Show Package Contents“, and navigating to /Applications/Kindle Comic Converter.app/Contents/MacOS. I received the following error in the terminal (I am unable to upload the screenshot, so I‘m pasting the text):

Sorry, ”Kindle Comic Converter“ cannot be run on this version of macOS. Qt requires macOS 11.0.0 or later, you have macOS 10.15.7.
I really like and trust Catalina and do not plan to upgrade my OS, so I would be very grateful if this issue could be addressed for my system version.

If this is a problem on my end, I would also appreciate any guidance on how to fix it. Thank you so much for this great software and for your maintenance efforts!

( ˘ω˘ )
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