Index: /trunk/src/VBox/Installer/darwin/VirtualBox_mpkg/distribution.dist
===================================================================
--- /trunk/src/VBox/Installer/darwin/VirtualBox_mpkg/distribution.dist	(revision 50576)
+++ /trunk/src/VBox/Installer/darwin/VirtualBox_mpkg/distribution.dist	(revision 50577)
@@ -66,5 +66,5 @@
                   the waiting time was elapsed. In the extreme case this was
                   infinitely long, blocking updates. */
-               system.run('/bin/sh', '-c', 'pids=`/usr/bin/pgrep VBoxXPCOMIPCD` rc=0; [ -n "$pid" ] || for i in $pids; do c=`/usr/sbin/lsof -p $i | /usr/bin/grep -E \'^[^ ]+ +[^ ]+ +[^ ]+ +[^ ]+ +unix\' | wc -l`; [ $c -le 2 ] || rc=1; done; if [ $rc -eq 0 ]; then pkill -KILL \'^(VirtualBox)|(VBoxNetDHCP)|(VBoxNetNAT)|(VBoxHeadless)|(VBoxXPCOMIPCD)|(VBoxSVC)$\'; sleep 1; fi');
+               system.run('/bin/sh', '-c', 'pids=`/usr/bin/pgrep VBoxXPCOMIPCD` rc=0; for i in $pids; do c=`/usr/sbin/lsof -p $i | /usr/bin/grep -E \'^[^ ]+ +[^ ]+ +[^ ]+ +[^ ]+ +unix\' | wc -l`; [ $c -le 2 ] || rc=1; done; if [ $rc -eq 0 ]; then pkill -KILL \'^(VirtualBox)|(VBoxNetDHCP)|(VBoxNetNAT)|(VBoxHeadless)|(VBoxXPCOMIPCD)|(VBoxSVC)$\'; sleep 1; fi');
            }
        } catch (e) { system.log(e); }