Why can't i install Mtn Lion on MPB runnin Lion 10.7.5??

I have a 2.4GHz Intel Core 2 Duo
2GB 667 MHz DDR2 SDRAM  MacBook Pro
I cannot get Mountain Lion to install.
It quits afrter a while saying some BS about it cant do it...
theres no reaon it shouldnt....i fit the specs!
anyone else run into this poo????

Check the requirements here > Apple - Upgrade your Mac to OS X Mountain Lion.
Must be a MacBook Pro (Mid/Late 2007 or newer)
If you are sure your Mac qualifies..
Make sure there's enough free space on the startup disk. Click your Apple menu icon top left in your screen. From the drop down menu click About This Mac > More Info then select Storage from the menu.
Make sure there's at least 15% available storage space.
-  Temporarily disable anti virus software if installed.
-  Apps such as Little Snitch, Net Nanny, and Hands Off can prevent apps from downloading including Mountain Lion.
-  Third party download managers are not compatible with the App Store.
For downloading Mountain Lion from the App Store, a high speed (broadband) internet connection is strongly recommended by Apple as noted here > iTUNES STORE - MAC APP STORE - TERMS AND CONDITIONS
Keep in mind, If you need to reinstall OS X or repair the the startup disk using Mountain Lion Recovery, that requires broadband (high speed) access to the internet via Wi-Fi or an Ethernet connection. OS X is downloaded over the internet form Apple when OS X Recovery is used for reinstallation.
Mountain Lion is a 4.34GB file. If you are using a slow internet connection, the download may be timing out before it can finish. Your ISP determines your download speeds. Check with your ISP for upgrade options.

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