yess, it said that i should reboot to be fixed ,i did that and the message is gone but it is still broken even after several reboots. EDIT: by the way ,i tried your inputs to reset the shortcuts to 'web' and now i have 3 more web icons in the menu
home\user\.local\share\applications\quicklaunchbar0.desktop=quicklaunchbar/0 home\user\.local\share\applications\quicklaunchbar1.desktop=launcher/0/43 home\user\.local\share\applications\quicklaunchbar2.desktop=launcher/0/42 home\user\.local\share\applications\quicklaunchbar3.desktop=launcher/0/44
home\user\.local\share\applications\quicklaunchbar0.desktop=quicklaunchbar/0 home\user\.local\share\applications\quicklaunchbar1.desktop=quicklaunchbar/1 home\user\.local\share\applications\quicklaunchbar2.desktop=quicklaunchbar/2 home\user\.local\share\applications\quicklaunchbar3.desktop=quicklaunchbar/3