wtf??? "OS X Mavericks application can't be verified" on a fresh install

*** is wrong with this?? Why was I having less trouble with OS X when I had it running on an Alienware?? I go to find help about this and it tells me to change the date and time settings on an empty harddrive. I really hate this puny 120GB SSD and WOULD REALLY like to move over to a 500GB HD.

I got a copy from the mac app store for my Core 2 duo MacBook WHY IS THIS TAKING ME 3 @#$%ING DAYS TO SETUP? What the @#$% am I suppose to do now redownload this @#$% from the app store a 4th time???? Try reinstalling a 4th time???