Thanks for the reply w0lf
killall command did nothing.
Guest account the menu was fine.
Console produced this(sorry its ugly), assume it has something to do with iStat menu which is 3rd party(but I have uninstalled it):
26/08/2013 12:42:30.065 pm WindowServer[15151]: CGXSetWindowListSystemAlpha: Invalid window 137 (index 0/1)
26/08/2013 12:42:30.065 pm WindowServer[15151]: CGXSetWindowListSystemAlpha: Invalid window 138 (index 0/1)
26/08/2013 12:42:30.075 pm SystemUIServer[15401]: MenuCracker 2.2 (/Library/Application Support/iStat local/extras/MenuCracker.menu)
See
http://sourceforge.net/projects/menucracker
MenuCracker is now loaded. Ready to accept new menu extras.
26/08/2013 12:42:30.075 pm SystemUIServer[15401]: failed to instantiate and get the principal class of bundle: NSBundle </Library/Application Support/iStat local/extras/MenuCracker.menu> (loaded)
26/08/2013 12:42:30.082 pm SystemUIServer[15401]: MenuCracker: Allowing "iStatMenusCombined".
26/08/2013 12:42:30.091 pm SystemUIServer[15401]: Could not load menu extra NSBundle </Library/Application Support/iStat local/extras/MenuCracker.menu> (loaded) for Class (null)
26/08/2013 12:42:30.092 pm SystemUIServer[15401]: Cannot find executable for CFBundle 0x7fe41270d0a0 </System/Library/CoreServices/Menu Extras/Clock.menu> (not loaded)
26/08/2013 12:42:30.106 pm SystemUIServer[15401]: Cannot find executable for CFBundle 0x7fe41270a150 </System/Library/CoreServices/Menu Extras/Battery.menu> (not loaded)
26/08/2013 12:42:30.107 pm SystemUIServer[15401]: Cannot find executable for CFBundle 0x7fe412709730 </System/Library/CoreServices/Menu Extras/Volume.menu> (not loaded)
26/08/2013 12:42:30.168 pm SystemUIServer[15401]: iStat Menus loading extra - combined
26/08/2013 12:42:30.362 pm system_profiler[15403]: Error -536870198 (e00002ca) occurred reading DPCD register data in System Profiler.
26/08/2013 12:42:30.524 pm system_profiler[15403]: Error -536870198 (e00002ca) occurred reading DPCD register data in System Profiler.
26/08/2013 12:42:30.618 pm com.apple.launchd.peruser.501[186]: (com.apple.SystemUIServer.agent[15401]) Job appears to have crashed: Bus error: 10
26/08/2013 12:42:30.618 pm com.apple.launchd.peruser.501[186]: (com.apple.SystemUIServer.agent) Throttling respawn: Will start in 10 seconds
26/08/2013 12:42:30.769 pm ReportCrash[15394]: Saved crash report for SystemUIServer[15401] version 1.7 (392) to /Users/student/Library/Logs/DiagnosticReports/SystemUIServer_2013-08-26-124230_Wills-Macbook.crash
26/08/2013 12:42:30.811 pm ReportCrash[15394]: Removing excessive log: file:///Users/student/Library/Logs/DiagnosticReports/SystemUIServer_2013-08-26-123902_Wills-Macbook.crash