1. Backup all the playlist first
( Please refer this page to backup and restore playlists: http://support.iadea.com/entries/106856533-How-to-backup-and-restore-playlists-)
2. Delete all the data in <%LOCALAPPDATA%\SignApps Express>
3. Restart the SignApps Express and restore the playlists
To pull an error report.
1. Open window explorer then copy and paste following path: %LOCALAPPDATA%\SignApps Express
2. There is a <Report> folder
3. Copy the last log file or the one matched the date/time when issue occurring