check your system files integrity with "dism /online /cleanup-image /restorehealth" and "sfc /scannow" commands.
When as in there has never been a time you didn't complain. Nevertheless, test Builds are meant to have issues which need to be reported to the Feedback Hub.
Target editions 18234: Code: From Home: Editions that can be upgraded to: Target Edition : CoreSingleLanguage Target Edition : Professional Target Edition : ProfessionalEducation Target Edition : ProfessionalWorkstation Target Edition : Education Target Edition : ProfessionalCountrySpecific Target Edition : ProfessionalSingleLanguage Target Edition : ServerRdsh Target Edition : Enterprise Code: From Pro: Editions that can be upgraded to: Target Edition : ProfessionalEducation Target Edition : ProfessionalWorkstation Target Edition : Education Target Edition : ProfessionalCountrySpecific Target Edition : ProfessionalSingleLanguage Target Edition : ServerRdsh Target Edition : Enterprise