This security update resolves vulnerabilities in Adobe Flash Player that is installed on any of the operating systems that are listed in the "Applies to" section. To learn more about these vulnerabilities, see ADV190012.

This security update resolves vulnerabilities in Adobe Flash Player that is installed on any of the operating systems that are listed in the "Applies to" section. To learn more about these vulnerabilities, see ADV190015.

When this update is applied, registry settings for the third-party provided version of Adobe Flash Player may be removed. To resolve this issue, reinstall the third-party version.

How to obtain and install the update. Method 1: Windows Update. This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ. Notes.

The Application Compatibility Toolkit contains the necessary tools and documentation to evaluate and resolve application compatibility issues before you deploy a Windows update, a Microsoft security update, or a new version of Windows Internet Explorer in your environment.

The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure.

Controlled folder access in Windows Security reviews the apps that can make changes to files in protected folders and blocks unauthorized or unsafe apps from accessing or changing files in those folders. Select Start > Settings > Update & Security > Windows Security > Virus & threat protection.

Fix Windows Update errors. Upgrade to Windows 10: FAQ. Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

To resolve this issue, install update 3133431. For more information, click the following article number to view the article in the Microsoft Knowledge Base: 3133431 Update for Adobe Flash Player in Internet Explorer and Microsoft Edge: January 5, 2016.

If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms/GetPCHealthCheckApp and following the prompts to download and install the app.