Originally Posted by
DougCuk
Uninstalling Spybot will NOT remove the Hosts file immunisations - you would need to undo the immunisation to achieve that - but I guess that is blocked by the new Cisco update.
Have you tried rebooting into Safe mode and trying the Hosts file edit from there - the Cisco software should not be installed in Safe mode. The only problem may be that the Cisco software has changed the ownership of the file or folder and this may still be active as it is part of the file system.