Microsoft has rolled out Security update KB4586786 for devices running Windows 10 version 1909 and 1903 that advance OS Builds 18363.1198 and 18362.1198. Also, there are new KB4586793 (OS Build 17763.1577) available devices still running Windows 10 version 1809, October 2018 Update. This is part of the November 2020 cumulative update that brings minor security updates including other quality improvements.
Note: If you are running the latest Windows 10 version 2004 and 20H2, KB4586781 (OS Build 19041.630) available for your device with security and non-security fixes.
Download Windows 10 KB4586786
This is an important update that downloads and installs automatically. Also, you can manually install KB4586786 following the steps below.
- Press Windows + X and select Settings (Windows + I)
- Click on Update & Security
- Select Windows update on the left-hand side
- Then click on Check for updates button, to allow download of KB4586786 from the Microsoft server
- Once done you need restart your PC to apply them.
Well if you are looking to download KB4586786 offline package then you can get it by following the link is given below.
Windows 10 KB4586786 Offline Download link:
If you’re running version 1903, use these links:
If you are looking for the latest Windows 10 ISO click here.
Windows 10 KB4586786
Note: Windows 10, versions 1903 and 1909 share a common core operating system and an identical set of system files. As a result, KB4586786 applicable for both Windows 10, versions 1903 and 1909 that bumps OS Builds 18362.1198 and 18363.1198)
As per the official Microsoft support site, KB4586786 Addresses an issue with the package frame launcher (PSF) that passes a malformed parameter to a shim.
Updates the 2020 DST start date for the Fiji Islands to December 20, 2020
Brings security updates to the Microsoft Scripting Engine, the Microsoft Graphics Component, Windows Input and Composition, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.
Known issues
- System and user certificates may be lost when updating from Windows 10 version 1809 or later to a newer version of Windows 10. This happens mainly when managed devices are updated using outdated bundles or media according to Microsoft. Devices that use Windows Update or Windows Update for Business are not impacted. Microsoft suggests to go back to the previous version of Windows to fix the issue.
- After installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues.
Windows 10 KB4586793
Devices running Windows 10 version 1809 aka October 2018 update receive new update KB4586793 that advance windows 10 Build 17763.1577.
- Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.
- Security updates to the Microsoft Scripting Engine, Microsoft Graphics Component, Windows Input and Composition, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.
- Improve security when Windows performs basic operations, using Microsoft Office products, and input devices such as a mouse, keyboard, or pen.
Also, Microsoft lists known Issues in KB4586793
- After installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues.
- you may receive the error, “0x800f0982 – PSFX_E_MATCHING_COMPONENT_NOT_FOUND.” if Asian language packs installed on your device.
To fix the problem the company suggests, uninstall and reinstall any recently added language packs. Select Check for Updates and install the April 2019 Cumulative Update. If reinstalling the language pack does not mitigate the issue, reset your PC as follows:
- Go to the Settings app > Recovery.
- Select Get Started under the Reset this PC recovery option.
- Select Keep my Files.
If you face any difficulty installing the KB4586793 update, windows update stuck downloading, KB4586793 update failed to install Check our Windows 10 update troubleshooting guide.
Windows 10 KB4586785
The April 2018 Update (version 1803) is getting updated KB4586785 that bumps OS Build 17134.1845. Also, Microsoft has noted ending support for Windows 10 version 1803 home and pro editions. Well, enterprise and education editions receive support until November 10, 2020.
- Allows you to restrict the JScript Scripting Engine to a process.
- Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.
- Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, the Microsoft Graphics Component, the Windows Wallet Service, the Windows Kernel, and Windows Fundamentals.
- Improve security when Windows performs basic operations, using Microsoft Office products
Known issue:
Microsoft is not currently aware of any issues with this update.
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