I received a how to from this community.. I've done all of your suggestions and I am still trying to remove cache from firefox settings. See attachment. After I clear out my cache the remaining cache always the same. 454.. I'm wondering..do I need to dig a little deeper. Interesting after doing a scan with a virus program it was gone.. But now it is back even if I scan it the cache is still there. I would like to be able to remove it from my computer. I did uninstall firefox and reinstalled it and for a while it was gone, then it came back. Firefox is a favorite browser but at this point I'm thinking of just using Safari. Please help me get to the bottom of this.