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.
I don't know if this is related to this bug (Ampersands not correctly passed) and if I'm posting in the wrong forum, my apologies, but I get the following error when processing a file with a Ü or Ö in it: