In order to make this work in Unraid 7 and up you'll just need to change the following files in /usr/local/emhttp/plugins/vmbackup/ Vmbackup1Settings.page from: <input type="hidden" name="#arg[1]" value="update_user_script"> <input type="hidden" name="#args[1]" value="backup_now"> to: <input type="hidden" name="#arg1" value="update_user_script"> <input type="hidden" name="#args1" value="backup_now"> Vmbackup3OtherSettings.page from: <input type="hidden" name="#arg[1]" value="update_user_script"> To: <input type="hidden" name="#arg1" value="update_user_script"> Vmbackup4DangerZone.page From: <input type="hidden" name="#arg[1]" value="update_user_script"> <input type="hidden" name="#args[1]" value="fix_snapshots"> <input type="hidden" name="#args[1]" value="abort_script"> To: <input type="hidden" name="#arg1" value="update_user_script"> <input type="hidden" name="#args1" value="fix_snapshots"> <input type="hidden" name="#args1" value="abort_script">