On April 14, the Microsoft released some cumulative updates for supported versions of Windows 10. H KB4549951 is one of them and According to reports presents problems to some users.
The following is one of the reports:
Environment: Pro Workstation running version 1909 on a Domain network.
This information KB4549951 επιβραδύνει τη δικτύωση. Το Outlook 365 στο φιλοξενούμενο Exchange χρειάστηκε αρκετά λεπτά για να φορτώσει και πάγωνε. Η Απομακρυσμένη επιφάνεια work εμφάνιζε μαύρη οθόνη στους υπολογιστές προορισμού. Αυτή η ενημέρωση προκαλεί επίσης το πάγωμα του λογισμικού VM. Όλα συνέχισαν να λειτουργούν κανονικά μετά την απεγκατάσταση και την αναβολή των ενημερώσεων για 30 ημέρες.
Some people also report that the specific update deletes files. For those affected, their files were moved or deleted after the update. Users report that after installing the update, their settings disappeared, and their personal files were moved to the Recycle Bin or simply deleted all together.
Interestingly, on some systems, updating me does not delete files or settings. It simply cannot be installed or, when finally installed, causes BSoDs, with the following errors PAGE_FAULT_IN_NONPAGED_AREA, CRITICAL_PROCESS_DIED, ACPI_BIOS_ERROR, INACCESSIBLE BOOT DEVICE, MEMORY_MANAWATION_.
Finally, for some users, the update greatly affects the performance of their operating system and causes connectivity problems.
Microsoft has not yet identified the problems so far. If the update has problems on your computer, you can uninstall it manually.
