Segfault on launch

[bjornpijnacker]

Test environment

PMP Version: 2.58.0
Platform (Windows/macOS/Embedded RPi/Embedded Intel): Fedora Linux

Steps to reproduce

1. Try to open PMP

Current behavior

1. Segfault:

[bjorn@ThinkCentre1 ~]$ plexmediaplayer 
QSocketNotifier: Can only be used with threads started with QThread
libpng warning: iCCP: known incorrect sRGB profile
Segmentation fault (core dumped)

See also: plexmediaplayer.log

Expected behavior

1. PMP opens or shows a human-readible error as to why it cannot open