Error Status 0xc0000020 Crashing at start up

I installed UE4 1.6 and it was working fine without any glitch. But after closing a project(new project with 3rd person template) when I try to reopen the editor it shows Error Status 0xc0000020. Could you please help me to resolve it?

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hey Man im getting the same error for 4.17 i think gotta update but 4.5 is working without a glitch

hey Man im getting the same error for 4.17 i think gotta update but 4.5 is working without a glitch

none is working now great in a single day gotta reinstall i guess