Problem in zip file when backuping course Irith Herman-mit - marlunngorneq den 29. januaarip 2013, 14:03 Antal besvarelser: 0 I couldn"t restore some courses because the zip files that comes after the backup procedureare damaged . I unzipped them in my compute and got this error: The archive is either in unknown format or damaged Gennemsnitsbedømmelse: - Permalink Akiuk