Hi, sorry for my poor level and language but I have a problem like maybe a lot of users: zu@zu-Compaq-Presario-A900-Notebook-PC:~$ cd /home/zu zu@zu-Compaq-Presario-A900-Notebook-PC:~$ sudo ./btsync [sudo] password for zu: zu@zu-Compaq-Presario-A900-Notebook-PC:~$ ./btsync Can't lock pid file. It seems BitTorrent Sync is already running with pid 2503 Do you have the solution? and a easier method to install it ?