I encountered the same issue. First the message 'The resize operation is impossible' appears. Then, when I select manual partitioning, nothing happens but the busy mouse cursor.
It does it on 2 different computers.
Bug 57989 seems related.
I encountered the same issue. First the message 'The resize operation is impossible' appears. Then, when I select manual partitioning, nothing happens but the busy mouse cursor.
It does it on 2 different computers.
Bug 57989 seems related.