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.
The browse button is not shown completely, I suggest expanding the "Enter URL" box and "Browse/path" box, that way the button should be seen as it should be, sorry to be so "picky" ;)