Check if Windows Updates were installed via the Registry Editor

In this article, you will learn how to check if Windows Updates were installed via the Registry Editor. Microsoft Windows Update is a Microsoft service for the Windows families of the operating system, which automates downloading and installing Microsoft Windows software updates over the Internet. Here are some interesting articles: How to install Windows Server unto ACEMAGICIAN Mini PC, how to configure Network Unlock in Windows, and “how to display Windows system information via the Windows registry“.

To determine which updates are installed on your device or identify problematic ones that need to be uninstalled, it’s important to know which updates have been applied.

This is especially crucial when you’re working on a workstation you haven’t supported before or assessing how vulnerable your workstations are to security attacks.

Note: Knowing how to check if Windows Updates were installed using the Registry Editor can be a useful skill.

Please see How to search through the Windows registry, Fix Windows cannot check for updates in Windows 8, 7, and 10, and how to “Turn off Automatic Updates in Windows via Windows Registry“. These resources can assist in understanding the Registry Editor better.

Check the Windows Updates applied

You can also use the Registry Editor to check if Windows Updates were installed. When looking through the registry editor, you can verify the status of specific updates.

• Start the Registry Editor (regedit.exe)
• Go to the following registry key:
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\Packages

Now, use the Find option under the Edit menu. Or use control F to display the Find dialogue box and search for the text  (KB4528759) to find the related entries in the registry.

This will help you see if specific Windows Updates were installed via the Registry Editor.

This step helps you check specific Windows Updates installed via the Registry Editor.

This will initiate a search in the registry as shown below.

If the update does not exist. It will display the image below. The image below indicates that the Registry Editor confirms the update was not installed.

If the key exists, the system takes you to the branch.

Note: If the update has already been installed. It would direct you to this key as shown via the Registry Editor check for installed Windows Updates.

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\Packages\Package_1_for_KB4528759~31bf3856ad364e35~amd64~~18362.590.1.0

In the right-pane, check the value data for “CurrentState”. This will help validate the status of the Windows Updates in the Registry Editor.

If the value data reads 0x00000070 (112), it means that the update was successfully installed.               

I hope you found this article useful. If you require more information, kindly let me know via the comment session.