Security server issue

Hi,
I have the problem in all environments. Wherever I try to sign on, I get Unable to find security server error.

jde.log of my workstation shows:

2904/1088 MAIN_THREAD                           Thu Aug 23 10:30:38.413000    Jdb_ctl.c4082
    Starting OneWorld

2904/1088 MAIN_THREAD                           Thu Aug 23 10:30:46.357000    jdecsec.c2143
    JDENET Error = eNetNotInitialized

2904/1088 MAIN_THREAD                           Thu Aug 23 10:30:47.783000    jdecsec.c2578
    Failed to communicate with security server: Unable to locate Security Server

2904/1088 MAIN_THREAD                           Thu Aug 23 10:30:48.591000    jdecsec.c263
    Failed to validate user (username) by password

2904/1088 MAIN_THREAD                           Thu Aug 23 10:30:48.591001    Jdb_ctl.c4698
    JDB1100018 - Failed to get past Security check

2904/1088 MAIN_THREAD                           Thu Aug 23 10:30:49.224000    msc_signon.cpp222
    ValidateUser failed from SignOn