lol, check if it's still installed, then try re-downloading it from here. I had it just stop working one day, so i went to see if it had been updated. tried re-installing and windows starts flagging it. I think windows yeets it without telling you since a previous defender update, but that's just my theory.
Funnily enough you are exactly right, Windows Defender kept removing parts of it from the folders and I thought i was losing my mind.
I've made sure the entire folder has an exception now.