I don’t think it will help, but the latest firmware versions for all SanDisk players are located in the Sansa Firmware Thread.
I still think you need to fromat the player, check your ID3 tags with a program like MP3Tag and then re-load them onto your player. There are many reasons why your player may not be able to read the tags, or have problems with them. Wrong format (needs to be ID3v2.3 ISO-8859-1 ), Anything located n the Comments field, strange or foreign characters in ANY field, excessively long titles or Artists (as in the case of some classical music) and very large (or wrong format) of album art is embedded in the tag are some of the most common causes.
