Do you experience problems during downloading?
Check your connection in Status and Interface settings window.
Use Test Server in Config > Servers.
We will probably ask you to do a test using only basic settings.
Do you experience problems during repair or unpacking?
Enable +Debug logging in the Status and Interface settings window and share the relevant parts of the log here using [ code ] sections.
It says top and bottom, did you mean the side margins? The reason why I left that much margin on the sides was to leave room for the vertical Feedback overlay, so it wouldn't cover the queue elements. It's closed on the screenshot but it's to the left in the default setup.