i keep trying to update but when i try to start the manager either in terminal or Via GUI it crashes here is the output from the terminal
agent@agent-laptop:~$ synaptic update manager
** (synaptic:6222): CRITICAL **: failed to load icon 'lpi-help': Icon 'lpi-help' not present in theme
(synaptic:6222): Gtk-CRITICAL **: gtk_icon_theme_load_icon: assertion `error == NULL || *error == NULL' failed
** (synaptic:6222): CRITICAL **: failed to load icon 'lpi-translate': Icon 'lpi-help' not present in theme
(synaptic:6222): Gtk-CRITICAL **: gtk_icon_theme_load_icon: assertion `error == NULL || *error == NULL' failed
** (synaptic:6222): CRITICAL **: failed to load icon 'lpi-bug': Icon 'lpi-help' not present in theme
Bus error
agent@agent-laptop:~$ Traceback (most recent call last):
File "/usr/sbin/update-apt-xapian-index", line 511, in <module>
lockfd = os.open(XAPIANDBLOCK, os.O_RDWR | os.O_CREAT)
OSError: [Errno 13] Permission denied: '/var/lib/apt-xapian-index/update-lock'
agent@agent-laptop:~$