KB5016629 Windows 11 Build 22000.856 Security Update

New LCU KB5016629 for Windows 11 Build 22000.856 Security Update download links, changes, and fixes.


Windows 11 is receiving the deliverance of the security patch for August 2022 on “Patch Tuesday”. KB5016629 as a cumulative update changes the version number to Windows 11 22000.856.

Full name of the LCU is – 2022-08 Cumulative Update for Windows 11 Version 22H2 for x64-based Systems (KB5016629) where x64 is variable.

CU KB5016629 Windows 11 Build 22000.856

Here is the changelog –

Improvements and bug fixes –

  • Addresses a known issue that might prevent some of you from opening the Start menu. On the affected devices, clicking or tapping the Start button or using the Windows keyboard shortcut might have no effect.

Known issues –

Applies to Symptom Workaround
IT admins Subsequent to receiving this patch, IE mode tabs in the Edge web browser might stop responding when a website shows a “modal dialog box”. You should know that a modal dialog box is a form or dialog box that needs the user to acknowledge before continuing or interacting with other portions of the webpage or app.

Developer Note websites having influenced by this problem call window.focus.

The solution to this problem is KIR aka Known Issue Rollback. Remember that non-managed business and consumer devices might consume maximum 24 hours for the resolution to propagate automatically. Rebooting the device might help the resolution apply faster. For enterprise-managed devices that have installed an affected patch and confronted this problem can fix it by installing and setting the special Group Policy listed underneath. To know more navigate to – How to use Group Policy to deploy a Known Issue Rollback.

Get the Group Policy Group Policy name:

File for Windows 11 – Windows 11 (original release) KB5014019 220624_22553 KIR.

Remarkable – You will have to install and set the Gpedit for your version of Windows to resolve this problem.

How to download KB5016629 and install on Windows 11 –

Before starting to download KB 5016629 the August 2022 cumulative update, make sure that the latest SSU is already installed. The follow the steps –

1] Through Auto update mode

  1. Click on – Start.
  2. Type – updates.
  3. Hit Enter to launch Settings app of the concerned page.
  4. Select – Check for updates.

2] Via manual method

  1. Go to the KB5016629 direct download links for x64 or ARM64 whichever is suitable for you and manually download and install the patch.
  2. Microsoft update catalog link.

That’s all!!

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Topics:  Windows update
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.