Acrobat and Creative Cloud something's wrong it's so slow... please help

I'm very sorry if this is posted in the wrong spot.
Since I updated Acrobat a few months ago (the one that can convert pdf files), it's as if the app has taken over the computer. As soon as I open it, that's it - everything from then on takes, quite literally, 100 times as long. The spinning disc becomes a constant. I don't know if it's because of the creative cloud, if it's something I've done wrong,.. no idea. I simply want the ability to occasionally turn pdf files into Word files, but not at the present cost of having a computer that just doesn't work with Acrobat open.
Any help greatly appreciated as it is incredibly irritating. I am aware the problem is almost certainly something I have done wrong, but how can a program have the ability, even if in the hands of someone incompetenty like me, to cause so much hassle? The old one worked just fine; then I got told to update it