Help,,,an old problem, borders me...

The Tag info dissepared in the music map...please take a look at the picture...this happens in a lot of my music maps. The info wich I put with Mp3tag disapered in the music map.
WMP10 is unabeld. A few years ago this forum helps me to solve this problem,,,But I forgot the number of the windows update...KB------
I Use W-Xp- Foobar2000 & Virtual DJ...Thank you

Check if you have APE tags in these tracks. IF so, delete them.
Or is this the windows display? then check if the files have got V2.4 tags as these are not supported by the explorer.
And finally, if all this does not help, check the integrity of the files with a program like mp3val