Qt Creator says that Qt 5.4.2 is not properly installed.

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I installed the qtcreator package from the Ubuntu repositories. What can I do about it?

  • Possibly helpful: wiki.qt.io/Install_Qt_5_on_Ubuntu
    – Elder Geek
    Nov 5, 2015 at 19:11
  • how did you install it ? Can you post the exact commands you ran and exact error messages you got when installing and running ,
    – Panther
    Nov 5, 2015 at 19:18
  • i don't think i did. i guess it's installed with the distribution.
    – theorist
    Nov 5, 2015 at 21:03
  • 2
    QT Creator isn't installed per default. How did you install QT Creator? And what exactly "says" QT Creator?
    – A.B.
    Nov 6, 2015 at 7:31
  • i thought the question was about Qt and not Qt Creator. i tried to reply to your comment by changing my original question.
    – theorist
    Nov 8, 2015 at 15:20

1 Answer 1


installation of qt5-default turned the red error icon into a yellow warning one and enabled me to build projects.

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