If the troubleshooter didn’t find any issues, then the next thing you can try is to run Windows Update and install all the updates. Microsoft is constantly releasing fixes and updates to drivers, etc, so your problem may be solved by simply performing an update.
Make sure to go ahead and restart the computer after installing any updates. See if the problem goes away.
"Windows 8 Tips-- Windows 8 Metro Apps,Run Windows Update"
Reference : online-tech-tips.com