avoid null objects in tray icon context menu
avoid null objects in tray icon context menu

monchote/yakyak,bseber/yakyak,arnriu/yakyak,monchote/yakyak,bseber/yakyak,monchote/yakyak,yakyak/yakyak,yakyak/yakyak,averissimo/yakyak,averissimo/yakyak,refack/yakyak,arnriu/yakyak,refack/yakyak,averissimo/yakyak,bseber/yakyak,refack/yakyak,yakyak/yakyak,arnriu/yakyak