Petrus, I removed the references to Ivelon only for you but it stays in my load order and that's final

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@ Johny Obliv:
Hi, Buddy,
1. readme says make a safe copy of your Oblivion.exe file somewhere so you can replace the patched one.
Basically this means once you reinstalled everything, the patched exe is already gone.
If you still experience CTDs, this means something else could cause them.
2. Remember that all your texture/meshes replacers must be placed at exact time so they can be overran by mods which are supposed to overrun them. To fail to do so is to invite your CTDs.
Make sure you are not victim of wrong installation order. Could be a single bad mesh. happens to the best.
Skycaptain went mad because of a single bad mesh for 3 weeks last year and at the end was gnawing his own PC
He had the patience to isolate the real reason for his game gone bad. Took him 3 weeks and lots of advice from forum members.
Will you have his patience?
3. Any mod conflict could cause CTDs, the more general the mod, the worse the CTD scenario.
What I would do is: start uninstalling mods in groups of 3-4 at a time starting with the most recently installed ones.
Continue to deactivate mods until you get stable game.
Alternatively - if you're impatient to find the cause (happens you know), uninstall the game, delete the data folder, defrag, start afresh.
Good luck. If you wonder about something, we are always around to help.