https://answers.microsoft.com/en-us/windows/forum/windows8_1-performance/after-windows81-kb2919355-x64-update-installation/4c0bafb5-3a29-4313-af3e-d2104d8dc53b
Jun 26, 2014 · After Windows8.1-KB2919355-x64 update installation, having issue with the new windows start button and the menu search, share, start, devices and settings is not sh