Ableton Forum

Support came back to me today about this. Looks like they have tested themselves and raised an internal issue for engineering to look at in 11.2
They have suggested a possible workaround at the moment is to install 11.1.6 alongside and use that to install packs.

Thanks and will do.
Will update here if support come back with anything that might help anyone else.

Yes, HDD space isn't an issue - It looks like the packs are installing properly just that the message never updates.

New Ableton Live user here running Windows 11 Adding packs to Ableton (drag and drop onto the browser) results in a message popup with a progress bar that never seems to complete. The message reads "Synchronizing browser and library configuration", the progress bar goes to either 98% or 10...