@tuxpoldo I moved all data to /var/lib/btsyncand reconfigured via dpkg-reconfigure btsyncbut btsync still not running with API key. Without it - running fine. sync.log [20140901 13:52:49.527] total physical memory 536870912 max disk cache 2097152[20140901 13:52:49.531] Using IP address 192.168.0.133[20140901 13:52:49.535] Loading config file version 1.3.109[20140901 13:52:49.541] Loaded folder /home/r3m/public/btsync/UpdatePack7R2[20140901 13:52:49.547] Loaded folder /home/r3m/public/btsync/ UpdatePack-XPSP3-Rus Live[20140901 13:52:50.548] Invalid API key. Terminating[20140901 13:52:52.585] Shutdown. Saving config sync.dat