mac app store does not work
iMac, Mac OS X (10.7.5)
Apple Event: May 7th at 7 am PT
If you haven't already done so since this started, log out and log back in, or restart the computer. Then try again.
Otherwise, if you're using "LittleSnitch" or any similar third-party software that blocks outgoing network connections, remove or disable it according to the developer's instructions and test.
If possible, connect to a different network and test.
Apps such as Little Snitch, Growl, and MacKeeper can prevent apps from downloading
Disable anti virus softwrare if installed
Make sure the firewall is turned off in System Preferences > Security & Privacy > Firewall
Make sure Gatekeeper is enabled
Open System Preferences > Security & Privacy then select the General tab.
Make sure either Mac App Store or Mac App Store and identified developers is selected. If that area is grayed out, click the padlock icon to proceed.
mac app store does not work