KB5040442 / KB5040427: Microsoft conferma blocco PC Windows in ripristino BitLocker aggiornamento Windows +8 BitLocker blocco PC bug Windows KB5040427 KB5040442 microsoft Patch Tuesday problemi Windows ripristino BitLocker windows aggiornamento Windows BitLocker blocco PC bug Windows KB5040427 KB5040442 microsoft Patch Tuesday problemi Windows ripristino BitLocker windows