I have the same issue.
usb-creator-kde 0.3.3
$ kdeinit5 --version Qt: 5.7.1 KDE: 5.31.0
$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 17.04 Release: 17.04 Codename: zesty
$ uname -r 4.13.8-041308-generic
I have the same issue.
usb-creator-kde 0.3.3
$ kdeinit5 --version
Qt: 5.7.1
KDE: 5.31.0
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 17.04
Release: 17.04
Codename: zesty
$ uname -r 041308- generic
4.13.8-