"Peer Name Resolution Protocol" Service Could not be Started and HomeGroup Is not Working

  SYMPTOM   You cannot join a HomeGroup with an error message “Windows cannot set up a HomeGroup on this computer. Error code: 0x80630801”.   In addition, you may observe the issue that “Peer Networking Grouping” service cannot be started on this computer.   CAUSE   The error code 0x80630801 means PEER_E_CERT_STORE_CORRUPTED. The Identity Store…

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