unzip problem

[guilbault frederic <fredericguilbault@xxxxxxx>]

Hi. I dont understand this error, the file work on linuxmint so i supose its a busybox problem. all that google says its reload the file with i have done like 10 times. i have also tryed .zip witch its the same problem.

root@slitaz:/home/slitaz/src# gzip -d foo.tar.gz
gzip: invalid magic
root@slitaz:/home/slitaz/src# ls -lah foo.tar.gz
-rwxrwxrwx    1 root     slitaz      5.4K Sep  4 14:44 foo.tar.gz


got a clue ?