Important PSA if you have Adobe Acrobat installed on your computer - it installs Microsoft Copilot, even if you've removed it in the past
I went to right-click a file today and was met with an "Ask Copilot" prompt, despite having diligently removed every trace of the scourge from my computer any time it's ever been installed in the past. When I went and looked in the program list and indeed found "Copilot," it said it was installed today, 4/16/26.
Enraged and confused because I have Windows Updates turned off for this machine, don't install anything unless I can check what's in the patches, and haven't ran any updates since the end of March, I went rooting around in the logs and found that the culprit was... the latest update for Acrobat.
I went to their stupid support website, and their stupid chatbot confirmed it:
Honestly Acrobat is a terrible PDF reader/viewer anyway, it's just been installed on this computer since college and I hadn't previously bothered to remove it. But if you're in the same boat, or if you have previously been forced to use it for work/school, please be aware that this POS puts Copilot back on your computer without permission or notification.