Hi Developers, I found a bug in the mac client of btsync! Using the current software version of Growl (V.2.1.3) I'm getting errors in btsync and it randomly just crashes after about a minute of usage. The Terminal output shows the following errors: 2014-01-31 18:23:28.764 BitTorrent Sync[404:507] Failed to notify due to missing registration, queue and reregister 2014-01-31 18:23:28.765 BitTorrent Sync[404:507] Attempting to register while an attempt is already running 2014-01-31 18:23:28.808 BitTorrent Sync[404:507] Failed to notify due to missing registration, queue and reregister 2014-01-31 18:23:28.809 BitTorrent Sync[404:507] Attempting to register while an attempt is already running 2014-01-31 18:23:30.068 BitTorrent Sync[404:507] GrowlApplicationBridge: exception while sending notification: connection went invalid while waiting for a reply because a mach port died 2014-01-31 18:23:30.153 BitTorrent Sync[404:507] We failed at registering with items in our queue waiting to go to growl, sending them to OS X notification center instead I could turn of this problem by unchecking the "Send notification after download finished" option in the btsync settings. But I guess this thing should be fixed anyway... Seb