In the Win8.1 feature update patch, one of the KB2913270 updates upgrades the performance and reliability of the Windows8.1 and Windows RT 8.1 App Store, bringing a better store experience for users, and welcoming users to update today's win8/win8.1 patches in a timely fashion.
Improvements included in the KB2913270 update:
• Faster Windows Store start time on right angle surface
• Resolves the problem of a new application in Windows Store dynamic tiles that does not match the application in the spotlight.
• Repair access violations in the Windows store.
• Resolve to change the text or font size defaults to large, or from large to the default Windows store crashes.
• When you try to access the Windows store, fix the "Access Denied" error.
• Change the background color when repairing a problem with the Windows store crashing.
• Solved the problem of developer license acquisition, 0xc03f1014 error code failure.