{
synchronized (activeContacts)
{
if(activeContacts.contains(metaContact))
this.activeContacts.remove(metaContact);
if(activeContacts.size() == 0)
{
synchronized (activeContacts)
{
activeContacts.remove(metaContact);
if(activeContacts.size() == 0)
GuiActivator.getSystrayService().setSystrayIcon(