I don't really know if this is the right section but there was this zip folder that had something to do with firefox in my temp files (appdata/local/temp) recently, like a day or two ago, it was full of mostly Json files and it disappeared when closed firefox, I was in private browsing mode at the time. I was wondering what that was? Could it be that some info from memory got dump in that file? As far as I'm aware there had been no crashes. It seems noone really knows the answer of why this happens.

Apologies if this is a dumb question its just been on my mind.