Upgrade from 40 to 41 failed, how to recover?

[theprogram (MatH)]

These threads

Upgrading to fedora 41 using dnf5 fails due to conflicts

I did exactly that but the conflicts seems to be between dnf5 about to be installed and dnf4 which is already installed

Dnf5 system upgrade to F41 fails

I’ve opened a bug: here. Basically, when doing offline upgrade, system reboots without doing the upgrade. Message embedded in log is: Warning: the _executecommand is for internal use only and is not intended to be run directly by the user. To initiate the system upgrade/offline transaction, you should rundnf5 offline reboot. Failed to resolve transaction. This indicates some bigger problem, since the offline transaction was already successfully resolved before. Was the cache at "/usr/lib/sys…

discuss the option that upgrades have failed due to dnf5 being used for the upgrade.
Maybe try to remove dnf5 and libdnf5, so your system uses the old dnf for the upgrade? If that does not work I hope someone else can chime in…