One more hotfix today for #WindowsInsiders addressing a second high frequency explorer.exe crash. Replicating to WU servers now.
— Gabriel Aul (@GabeAul) December 16, 2014
Just yesterday, Microsoft released an hotfix for the Windows 10 Technical Preview (Build 9879) to fix an issue with frequent Explorer.exe crashes (related to KB3020114). Today, they released another hotfix for Windows 10 Build 9879 users fixing the high frequency explorer.exe crash.
Download it from Windows update to improve your system stability.