XCode 10 iPhone X, XS,XS max,XR and all the iPads Simulator freezes

My Xcode 10 simulator (X,XS,XR,XS max and all the iPads) are not woking just showing a balck screen SS below
http://prntscr.com/l9gdq4

I re-installed Xcode and tried everything still its not working please help me what to do to solve this issue
System Configuration:-
iMAC
macOS High Sierra verison 10.13.6
processor - 3.06 GHz intel core i3
memory - 8GB 1333 MHz DDR3
Graphics - ATI Radeon HD 4670 256 MB
Built in Display 21.5 inch(1920 x 1080)
ATI Radeon HD 4670 256 MB graphics

XCode 10 iPhone X, XS,XS max,XR and all the iPads Simulator freezes
 
 
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