For many years our users (and I) are facing an issue in the updater.
Time to time the update process goes wrong and the old versions of the Jar are not removed by the updater.
This produce confilct errors at startup, asking users to manually remove old jars.
Our user community is mostly physicians that have low computing knowledge so we have several time this bug report.
This is also been shown by another user in this forum :
And here another example from one of our user :
Is there a way the update could become safer when removing old jars to prevent this problem ?