When i try to open xcode, It show me message like:you can't open the application "Xcode" because it is being updated.
When i try to update the xcode through App Store, It display the message like: Cannot Connect to App Store even though it is connected & i am doing surfing to solve this.
I am not also able to connect with another PC in LAN.
I also try to solve this issue by follow this link:Fix Issue
Help me to solve this issue.