SquidGuard Stopped block users

[gessyjr]

My squidGuard Stopped block users, but is started on WebGui and show the following msg´s from squidguard.log:

tail -f /var/squidGuard/log/squidGuard.log
2016-01-06 10:54:48 [53802] squidGuard stopped (1452084888.434)
2016-01-06 10:55:13 [11906] squidGuard 1.4 started (1452084913.210)
2016-01-06 10:55:13 [11906] db update done
2016-01-06 10:55:13 [11906] squidGuard stopped (1452084913.229)
2016-01-06 10:57:15 [22064] squidGuard 1.4 started (1452085035.242)
2016-01-06 10:57:15 [22064] db update done
2016-01-06 10:57:15 [22064] squidGuard stopped (1452085035.257)
2016-01-06 11:26:11 [34237] squidGuard 1.4 started (1452086737.711)
2016-01-06 11:26:11 [34237] db update done
2016-01-06 11:26:11 [34237] squidGuard stopped (1452086771.551)
2016-01-06 11:26:47 [7339] squidGuard 1.4 started (1452086807.127)
2016-01-06 11:26:47 [7339] db update done
2016-01-06 11:26:47 [7339] squidGuard stopped (1452086807.143)

I´ve already done some of following:

download a shallalist again;
restart squid;
restart squidguard;
restart pfsense;

But still not working.

A few days ago it was working fine, with no problems.

Pfsense version - 2.2.2

Squid Version - 3 - 0.2.8

SquidGuard Version - 1.19.14

Any Idea?