• September 29, 2022

KB5016629 won’t install on Windows 11 – what should I do?

Microsoft recently released update KB5016629 to fix an issue that prevented access to the Start menu on Windows 11. And everything would be fine, but some users cannot properly install this patch on their PC: the installation process is interrupted, errors occur. In most cases, the reason for the failure of the installation remains unknown, however, after “searching” thematic forums, we were able to determine that the failure occurs for the following reasons:

  • Malwarebytes interferes with the update download/install process;
  • third-party / system antivirus blocks update files;
  • problems with the .NET 3.5 Framework libraries.

KB5016629

1. Disable Malwarebytes protection (if applicable)

The main cause of problems during the installation of KB5016629 is Malwarebytes. Apparently, the program mistakenly marks the update as a potential threat to the system, and then completely blocks it. This dilemma is solved very easily: it is enough to disable protection against malware in the program settings. That’s right, you don’t even need to delete anything. Just right-click on the Malwarebytes icon and uncheck the “Malware protection” option.

2. Disable Windows Defender

Some antiviruses may periodically block certain updates for Windows. Moreover, such blocking can also be done by a system antivirus, which, it would seem, should not conflict with the Update Center. To deactivate Windows 11 antivirus active protection, you need to do the following:

KB5016629

  • press WIN+S to open the search bar;
  • write the query “Windows Security”;
  • then go to the “Virus protection” subsection and click on the “Manage settings” item;
  • Deactivate the Real-time Protection option by setting it to Off.

Note: Did not work out? Then just enter the command Set-MpPreference -DisableRealtimeMonitoring $true in the Command line with administrator rights (RMB + Start). Execute the command Set-MpPreference -DisableRealtimeMonitoring $falseto enable antivirus.

How third-party antivirus protection is disabled – you will have to look for this information yourself. Often, this functionality can be disabled through the system tray icon in the taskbar.

3. Deactivate the .NET 3.5 Framework component

Most Windows applications require the .NET Framework libraries to function properly. However, for some strange reason, the .NET Framework version 3.5 libraries can conflict with Windows Update 11, preventing the latter from installing the latest updates from Microsoft.

A number of users have managed to resolve the issue with installing KB5016629 by deactivating the .NET 3.5 Framework component on their system. This is done as follows:

  • press WIN+S to open the system finder;
  • paste in the empty line “Control Panel” and select the result found;
  • go to the “Programs and Features” section;
  • click on the line “Turn Windows features on or off”;
  • uncheck “.NET Framework 3.5 (includes .NET 2.0 and 3.0)”;
  • save the changes and restart your PC.

Try installing the problematic update again. If the update went well, reconnect the .NET 3.5 Framework.

4. Install update KB5016629 manually

Okay, all of the above turned out to be useless – what else can be done? In fact, you can not bother at all, and install the problematic update directly from Microsoft Update Catalog site. Don’t forget to run the downloaded MSI file as an administrator!

5. Installing the update using MCT

MCT- Media Creation Tool, and if in Russian – a tool for creating Windows media. Thanks to this tool, you can not only create installation flash drives / disks, but also update existing Windows operating systems. To update your system through this tool, you need to do the following:

KB5016629

  • run the file MediaCreationTool21H2.exe on behalf of the administrator;
  • accept the license agreement;
  • click on the “Upgrade this PC now” button, then on the “Next” button;
  • follow the instructions on the screen and be sure to select the options “Change the components selected to save” → “Keep personal files and applications”;
  • at the final stage, click “Install”.

Updating Windows 11 using this method can take some time, plus your PC will restart several times. One way or another, update KB5016629 will be installed.

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