problem with network monitering

hi guys i have just had a look in my network monitor only to find that all my rules i had created have gone and the red cross that is the last rule has also disapeared, im worried that now anything can access my pc, i have recently changed from wired to wireless 4 my connection not that it should matter should it?

appriciate any help with this



i would deinstall and reinstall of course, then search forum for equv. happens.

normally the firewall is open now.