You don't have QT libraries installed on your system. You just have then in some archive somewhere along with a bunch of copies of stuff you do already have installed on your system.

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porridgeraisin a year ago | parent [-]

Why does that matter? Copies of a few libraries is just not a problem.

	▲	vrighter a year ago \| parent [-]
		if it doesn't matter then why is them not being in an archive along with a bunch of other duplicate stuff a bad thing?