Error -300 when downloading from YouTube Anna Malter January 16, 2020 10:31 Updated Follow Dear Users! The issue has been fixed! Install the update from our web site, please: Free YouTube Download Free YouTube to MP3 Converter If the problem persists, submit a request to our support team. Related articles Fehler: - 300 Error 105403 Error 4003 - FIXED! Error: Can't get video info (1000) Cannot find my premium key Comments 0 comments Article is closed for comments.