Once in a while after a long performance like a wedding, when I quit Traktor, it hangs and I have to force quit. It hangs at the "Storing Track Collection" status bar. This only started happening recently and I can't figure out what is causing it. I am out of the box user, no special mappings etc. I have not updated anything, nor made any changes.
MacbookBook Pro (late 2013) OSX 10.9.4
Processor: 2.6GHz Intel Core i7
Memory: 16GB 1600 MHZ DDR3
Traktor Scratch Pro 2.6.8
Kontrol S4 mk2 (connected to USB 3.0 Powered hub)
Kontrol F1 (connected to USB 3.0 Powered hub)
MOTU 828 Audio Interface connected via Firewire/ Thunderbolt adaptor
WD My Passport 1TB hard drive (connected directly to computer USB 3.0)
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