231 Views 2 Replies Latest reply: May 8, 2012 6:43 AM by sparky1965tc
If you have anti virus software installed, disable that.
Try turning off the Firewall in System Preferences > Security
Make sure your Mac meets Lion's requirements.
- Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
- 2GB of memory
- OSX v10.6.6 or later (V10.6.8 recommended)
- 7GB of available spare
From here > Apple - OS X Lion - Technical specifications