With most ENBs I have played around with, the only files I have messed with are the ones that are with the ENB. That way I can always revert to the original settings. I copy a file to another location before I make any suggested tweaks to an ini. I assumed you had to physically go into those files to make adjustments. I didn't think that an ENB would alter those ini settings anyway. If you delete the two ini files in the MyGames/Skyrim folder and relaunch, it will create new files for that folder. If I understand it correctly, and that's not saying much.
