[X4U] Energy Settings are being changed by ?

[Ed Gould]

Question:

I have set my energy settings to darken the screen after 8 minutes  
and to *NEVER* put the system to sleep. I then Lock the settings and  
reboot.
After the reboot the settings are the same but are unlocked.
If I do not check this (I forget) The system will go to sleep on me  
(and the screen darkens) in the middle of typing, mouse activity or  
anything else.
If I strike a key the system does come back but it really interrupts  
my train of thought and I cannot continue.
If I immediately upon boot up (signing in) go in and lock the energy  
settings it seems to be OK and it usually is good for at least a day  
but then it starts up again and no matter what I am doing the system  
goes into power saver mode.
Something is changing my power savings settings, any idea on how to  
figure out what it could be?

Ed

FWIW OS x 10.4.11
G5 dual 2.7
6G memory