Hi, thanks for bug report and sorry for the delay.
I've copied a ttf file to a usb key and reproduced your problem
here my fuser result :
gza@guillaume:~$ fuser -v /media/disk/*
USER PID ACCESS COMMAND /media/disk/webdings.ttf: gza 20756 ....m kio_thumbnail
Hi, thanks for bug report and sorry for the delay.
I've copied a ttf file to a usb key and reproduced your problem
here my fuser result :
gza@guillaume:~$ fuser -v /media/disk/*
/media/