I'm having a problem with running the emulator. Any pointers or links I need to follow?
Welcome Erin.
Most of what you need to know is here>
https://appinventor.mit.edu/explore/ai2/setup-emulator
Someone could be more specific with advice if you would explain what the problem is. can not install it ? Be aware, the emulator does not emulate hardware generally.
https://ai2.appinventor.mit.edu/reference/other/emulator.html