Developers are in the process of syncing Rock repositories to new OM Lx 4.1 repositories but this is not complete and will take some time. For now Rock users will see something like:
If you try to update with dnfdragora or command line you will get errors. Just do nothing and wait until the process is finished and we announce the procedure for upgrading. Upgrading will require user to use command line (Konsole) for this one upgrade.
Post-edit: Apologies if my frustration is showing but there is no one that can fix something as non-specific as “system crash”. That is like reporting “it’s broke”.