Fixing Ubuntu 17.04’s Broken QT Themes

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If you are having problems with QT apps not looking correct in your Ubuntu 17.04 install (does not affect Kubuntu), this should help you out.

Fixing qt app theming:
sudo add-apt-repository ppa:nilarimogard/webupd8
sudo apt-get update
sudo apt-get install qt4-qtconfig qt5ct
nano .profile – Add this line: export QT_QPA_PLATFORMTHEME=qt5ct
Log out, log in.
Launch qtconfig-qt4 and qt5ct and set both to “gtk”.


  1. lol.. i'm new so how do install qt in the first place.. I have Ubuntu 17.04 and cancelled the Qt 5.7 install at 98% coz I saw it was for an earlier version of Ubuntu. Where can I go to get the latest (trusted)?? I need it for a driver to use my rgb keyboard

  2. Hey, say I have 17.04 (just installed it) I did check it before installing and it said there was two errors, can't remember the errors, but i would like to just redownload it and reinstall it completely, would i do like i would with windows? using a usb boot? or is there a way to just repair anything wrong with the os?

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