Hello I cannot install KB2871389 update - error 8007371B ..... .... knows somebody please solution? (KB2871389 update enables to install 8.1 from Store) Activation Check (MTKV249): License Status: Activated Error Code: 0x4004F040 Error Text: The Software Licensing Service reported that the product was activated but the owner should verify the Product Use Rights. Remaining Grace: 29 days (43196 minute(s) before expiring) Thx for help