To fix this issue, you can delete Folx library completely.
But please note that in this case the entire download list will be cleared and all Folx settings will be reset to defaults.
To do it, please, proceed the following instructions:
1. Open Applications folder > find Folx app there > right-click on Folx app and choose 'Move to Trash' option.
2. Choose 'Go' menu in the Finder, then holding Alt (Option) key, press Library and open Application Support/Eltima Software/. Then delete the "Folx3" directory there.
3. Open Terminal > insert the command:
defaults delete com.eltima.Folx3
and press ’Enter’;
4. Then download and install Folx anew.
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