I did a Mac (security?) update this morning, I couldn't even tell you what one it was but it's obviously new this week. Since I restarted my computer as it prompted me to, I've been unable to use my mouse! It's as if someone is pressing Ctrl or Cmd or something permanently, except they're not, I've checked my keyboards, I have 2 mouses and they do they same thing as well. I don't understand what's happened and I can't click anywhere because of this problem & am really unsure what I'm meant to do next! Any tips please?
Thom
Thom