[7.075] Failed to open connection, socket: /var/saa/saa.socket [NOTABUG]

Fresh installed from CD
Proxy Mode: Standart

I got many of this messages in Live Log: Content Filter

2007:11:10-14:22:10 (none) httpproxy[6575]: id="0003" severity="info" sys="SecureWeb" sub="http" request="0x9521c60" function="ncoreav_scan" file="ncorescanner.cpp" line="135" message="got exception: Failed to open connection, socket: /var/saa/saa.socket [saa/conn/ServerConnection.cpp, line 146]"

2007:11:10-14:22:10 (none) httpproxy[6575]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="172.16.70.20" user="" statuscode="200" cached="0" profile="profile_0" filteraction="action_REF_DefaultHTTPCFFAction" size="825" time="444 ms" request="0x9521c60" url="www.heise.de/.../ IT Information"

2007:11:10-14:22:10 (none) httpproxy[6575]: id="0003" severity="info" sys="SecureWeb" sub="http" request="0x94a3588" function="ncoreav_scan" file="ncorescanner.cpp" line="135" message="got exception: Failed to open connection, socket: /var/saa/saa.socket [saa/conn/ServerConnection.cpp, line 146]"

2007:11:10-14:22:10 (none) httpproxy[6575]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="172.16.70.20" user="" statuscode="200" cached="0" profile="profile_0" filteraction="action_REF_DefaultHTTPCFFAction" size="117" time="422 ms" request="0x94a3588" url="www.heise.de/.../ IT Information"

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Another issue is that somestimes the Live Log: Content Filter seems to be freezed.