My App Store not working.

My App store (Version 1.3 (201.4))not working after upgrade.

It is opening to blank screens. All tabs are there but no contents.

the console is showing the following logs:

14/03/2014 10:13:52.000 pm kernel[0]: com.apple.WebKit (map: 0xffffff8046bd3780) triggered DYLD shared region unnest for map: 0xffffff8046bd3780, region 0x7fff91600000->0x7fff91800000. While not abnormal for debuggers, this increases system memory footprint until the target exits.

14/03/2014 10:13:53.000 pm kernel[0]: com.apple.WebKit (map: 0xffffff8044668000) triggered DYLD shared region unnest for map: 0xffffff8044668000, region 0x7fff91600000->0x7fff91800000. While not abnormal for debuggers, this increases system memory footprint until the target exits.

14/03/2014 10:13:53.000 pm kernel[0]: com.apple.WebKit (map: 0xffffff8046c3f0f0) triggered DYLD shared region unnest for map: 0xffffff8046c3f0f0, region 0x7fff91600000->0x7fff91800000. While not abnormal for debuggers, this increases system memory footprint until the target exits.

14/03/2014 10:13:53.000 pm kernel[0]: com.apple.WebKit (map: 0xffffff804588ac30) triggered DYLD shared region unnest for map: 0xffffff804588ac30, region 0x7fff91600000->0x7fff91800000. While not abnormal for debuggers, this increases system memory footprint until the target exits.

14/03/2014 10:13:53.000 pm kernel[0]: com.apple.WebKit (map: 0xffffff80446680f0) triggered DYLD shared region unnest for map: 0xffffff80446680f0, region 0x7fff91600000->0x7fff91800000. While not abnormal for debuggers, this increases system memory footprint until the target exits.

14/03/2014 10:13:54.067 pm com.apple.SecurityServer[15]: Session 100024 created

14/03/2014 10:13:54.068 pm com.apple.SecurityServer[15]: Killing auth hosts

14/03/2014 10:13:54.068 pm com.apple.SecurityServer[15]: Session 100023 destroyed

I did try opening with the firewall closed. But it still didn't work!