Unreal engine 4.26.1 freezes

Hello , i was using ue4 v 4.26.1 and everything was fine , suddenly when i try to open it or open a project made with version 4.26 ue4 not responding and stay in taskbar and freezes my laptop
I tried to uninstall and install it again and disable work , I verified it still no luck
I reinstalled epic game launcher and still same issue
I can use v 4.25.4 with no issue
Hope i can het some help
Thank you