NIS 5.7 is putting messages in system.log like these:
May 20 22:20:01 MAC-PC4 kernel[0]: Could not initialize the Vulnerability Protection signatures (-90). Your computer is not fully protected.
May 20 22:20:01 MAC-PC4.local SymDaemon[76]: Symantec Error Reporting: Error Not a directory (/BldArea/Source/SymSharedFrameworks_r5.4/SymBase/ErrorReporting/ErrorReport.cp:235)
May 20 22:22:01 MAC-PC4 kernel[0]: Could not initialize the Vulnerability Protection signatures (-90). Your computer is not fully protected.
May 20 22:22:31 --- last message repeated 1529 times ---
Nothing changed after Live Update. Someone knows what's the problem (and how to solve it)?
The iMac does not seem slow (Activity monitor says SymDaemon is using 98% CPU) but I think that it's better not to have 20 ot 30 messages every second eating CPU time.
Antonio