Hi Sag75
This sounds like a remnant of OLC's GUI. If they are the only mod's used above, then I'm at a loss on how that happened.
You could look at Commands_xx.cfg (xx depending on language, en, de, fr) for:
[Cmd131]
Name=Toggle_TDC_autoupdate
Ctxt=1
MnID=0x3F010017
<--------- This is the ID in menu_1024_768.ini which toggles the TDC. You could try putting a ; in front, or removing this command. Don't forget to have a Back-up.
Or better still, install OLC's gui.