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It was a proxy problem with my computer settings: https://discussions.apple.com/thread/5470436?start=0&tstart=0
Turns out that when I installed mavericks, it changed a proxy setting on my mac. I followed these instructions and I was able to install:...
Turns out this is a known bug with installation -- hanging on "checking for new software." I assume it has nothing to do with my company network....
Trying to install on mavericks, the program hangs at "checking for updates". Tech support says I need to have our network admin open up ports in...