With iMovie or Aperture open, why do I have incredibly slow internet?
I recently purchased an iMac with a 4GB memory upgraded to Lion, and my interent has been running incredibly slow. When iMovie or Aperture is launched, it is almost impossible to navigate in Safari. Even simple clicks to open programs or even type in programs like Word seem to take forever and I see the rainbow wheel much more than I would like - on a regular basis, every time I use my computer.
What could be making all of these programs so slow? I expected that a brand new computer would not have these issues, but it is becoming increasingly frustrating and taking much too long to do simple tasks.
Thank you for all of your help!
iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)