\squidGuard 2009-04-30 18:09:52 [18027] squidGuard: can't write to logfile /usr/local/squidGuard/log/squidGuard.log
Does the file exist with the correct permissions? The error message is telling
2009-04-30 18:09:52 [18027] squidGuard: can't open configfile /usr/local/squidGuard/squidGuard.conf
The error message is telling you that the file cannot be opened. Have you changed the permissions on the file.
Thanks arun for pointing out the thing perfectly. Seems to be that somehow that file has got deleted