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 have reinstalled SABNZBD several times now and i keep having the problem that restarting sab results in the package no longer working: from package center i can no longer start the sab package. I have put the log from package center in the following file. Here you see the log from the moment i restart sabnzbd: