
When the previous version is restored, the system starts to download again the latest update for Windows 10 v1809, but the installation of the update, always fails with the same symptoms or gives the error 0x800F081F: The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation. Symptom No2: During the installation of the Windows 10 October 1809 update, the computer reboots and then – after "Undoing Changes" – goes to the previous version of Windows 10 (v1803). Symptom No1: During the installation of the Feature Update to Windows 10 v1809, the system freezes or stuck at Windows Logo and the only method to get the PC back, is to force shutdown the machine using the Power switch. When the installation of Windows 10 v1809 update failed, the users faces one of the following symptoms on their systems: But, some users reported that the update 1809 cannot be installed because the system freezes or reverts to the previous Windows 10 version without the upgrade. Microsoft re-released on Tuesday () the latest Feature update to Windows 10 version 1809, known as "Windows 10 October 2018 Update".
