Wow, Firefox is being funny today:
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Yeah, I just had my Ublock Origin shit the bed, icon wasn't where it was in my menu bar anymore and wasn't there when I right-clicked to block things. Was still messed up after I removed it and tried to re-install it. Ended up having to remove it and then go into appdata and delete it manually from the extensions folder in Firefox and then re-install it to get it to work...