After upgrading their Macbooks to macOS Sierra, some users have found that their app store screen is blank. This problem also happens in other OS X versions such as El Capitan. This is fairly an easy problem to fix since it happens due to old cache files that are not properly handled during the OS X upgrade.
In order to fix this problem on your Mac or Macbook, please follow the steps below:
Step – 1 Start with the Library Cache
Most problems following upgrades are related to the cache files on your Mac. Open a session in Finder and type in ‘~/Library/Caches/’ and press Go.
This will show you all the folders in your Cache.
The folders that you are interested in to fix this problems are all related to the app store. Look for the following 5 specific folders:
The main file is the first one.
Step – 2 Get Rid of These Folders
Move these folders to your trash. Now you can safely clear temporary items from /private/var/folders. When you reboot your Mac, it triggers built in cache clearing functions and will delete the temporary items in /private/var and /var/folders will delete themselves as required.
So all you have to do is Restart your Mac. That should bring back up your app store screen with all the details.
If for some reason you are still having problems with blank store on your macOS Sierra, you can reboot your Mac in Safe mode ( Rebooting while holding down the shift key).
This performs additional activities to get rid of temporary files and caches. When your Mac has finished booting into Safe mode, simply go ahead and reboot as normal and it should take care of the problem. As a practice, when troubleshooting macOS related problems, start with the cache files for the related area. This seems to fix most of the problems.