KB4519979

Updates an issue that may cause a tablet’s screen to rotate unexpectedly.

Updates an issue that causes a system to stop working during the Windows upgrade process.

Updates time zone information for Norfolk Island, Australia.

Updates time zone information for the Fiji Islands.

Addresses an issue that may cause a tablet’s screen to rotate unexpectedly.

Addresses an issue that may cause an application window to flicker when running the application using RemoteApp. Additionally, DWM.exe may stop working on the session host.

Addresses an issue that prevents Computer objects from being added to local groups using the Group Policy Preference “Local Users and Groups”. The Group Policy Editor returns the error message, “The object selected does not match the type of destination source. Select again.”

Addresses an issue that causes a query request of the Win32_LogonSession class for the StartTime to display the value of the epoch (for example, 1-1-1601 1:00:00) instead of the actual logon time.

Addresses an issue that prevents an App-V application from opening and displays a network failure error. This issue occurs under certain circumstances, such as when a system's battery is low or there is an unexpected power failure.

Addresses an issue in which Microsoft AppLocker may prevent an application from running or log a false positive error instead of running the application.

Addresses an issue that fails to include the full file hash as part of the Event Log entry during auditing events for Windows Defender Application Control (WDAC).

Addresses an issue that causes a system to stop working during the Windows upgrade process. The Stop error “SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e)” appears in the Transmission Control Protocol/Internet Protocol (TCPIP).

Addresses an issue that prevents netdom.exe from displaying the new ticket-granting ticket (TGT) delegation bit for the display or query mode.

Addresses an issue that causes high CPU usage when retrieving session objects.

Addresses an issue that causes applications that utilize change notifications on named pipes to have a kernel mode memory leak of input and output (I/O) Request Packet (IRP) objects.

Addresses an issue that causes Windows to become unresponsive when software attempts to interact with the mount manager while the mount manager is performing certain operations.

Addresses an issue that might cause error 0x1E, 0xA, or 0x50 to occur during a block cloning operation on an Resilient File System (ReFS) volume because of a race condition.

Addresses an intermittent issue in Active Directory Federation Services (AD FS) that fails to authenticate users. Additionally, AD FS redirects the browser back to the Microsoft Exchange Client Access services (CAS) with the wrong Audience uniform resource identifier (URI). Specifically, AD FS appends a slash to the Audience URI. Users see an error page and cannot access the Outlook Web App (OWA).

Addresses an issue with Lightweight Directory Access Protocol (LDAP) queries that have a “memberof” expression in the filter. The queries fail with the error, “000020E6: SvcErr: DSID-0314072D, problem 5012 (DIR_ERROR), data 8996”.

Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.

Addresses an issue that prevents users from reducing the size of a window in some cases.

Addresses an issue with a race condition between the volume mount process (within fileinfo.sys) and the deregistration of filter notifications that causes the operating system to stop working on certain virtual machines. The error code is “0x7E.”

Addresses an issue in which files that are stored in a Cluster Shared Volume (CSV) with an alternate data stream are still present after you try to delete them. You may also receive an "access is denied" message on the next try to access or delete the files.