Simulator doesn't start anymore at all

Currently we wait for the result of re-installtion from @SpinalVoice2012.

You write about your issue reported a months ago ?

“aphostservice.dll” seems strange…

Please try:
1 dism /Online /Cleanup-Image /ScanHealth
2 dism /Online /Cleanup-Image /CheckHealth
3 Incase of error reporting: dism /Online /Cleanup-Image /RestoreHealth
4 sfc /scannow
5 restart