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Uninstall Windows Updates KB3081448, KB3081449, KB3081452

Microsoft has released three new cumulative updates for Windows 10. Windows 10 updates have turned into a hot topic among users and security professionals. Some of the updates, like KB3081424, have caused lots of crashes and, as a result, stirred users’ attitude towards the latest version of Microsoft operating system.Windows10-update

What makes people anxious is the fact that Microsoft releases the updates and then publishes their official descriptions. When updates are included in the official list called Description of Software Update Services and Windows Server Update Services changes in content for 2015, provided information tends to be too vague.

What Do Users Say about Windows 10 Updates?

Forums and social networks have turned into a typical meeting spot for public discontent and perplexed users. According to posts on Reddit, KB 3081449 has been acting strangely and has changed display settings to 150%. Another user has shared that cumulative updates tend to mess with current system setups. Some updates may cause repetitive reboots and may not be able to finish installing.

Here is an exemplary conversation depicting users’ confliction with the updates:

→User 1: Why is there 3 builds? What do those mean? I got the Windows 10 (KB3081449)

→User 2: I’m not quite sure either, I got KB3081449 and also KB3081452, but I didn’t get the KB3081448. I’m guessing it’s specific to versions of the OS home, pro, etc. and maybe even device specific. I’m on a laptop and got the two updates, what about you? Running Home edition on the laptop and Pro on the desktop, I haven’t seen the updates on there yet as I haven’t booted it yet.

For more users’ experiences with Microsoft latest, refer to the Reddit topic about Windows 10.

Now, let’s see what the three updates KB 3081448, KB 3081449, KB 3081452 released few days ago (as of Sep 2, 2015) are about.

Previous Cumulative Windows 10 Updates:




Cumulative Update KB3081448, Released on August 27, 2015

The update’s official description states that KB3081448 consists of improvements to enhance the functionality of Windows 10.

The update is set to replace the previously released KB3081444.

Cumulative Update KB3081449, Released on August 27, 2015

This update is released to improve the Windows 10 out-of-box experience (OOBE). Its official description reveals that the update applies only to the Windows 10 OOBE process and is available only when OOBE updates are installed. Hence, 3081449 is installed during the Windows 10 OOBE process.

What users should know is that if a language pack has been installed after the installation of the update, the update will have to be reinstalled. Microsoft Support’s recommendation is to install a language pack before the installation of KB3081449.


A pinch of sense of humor never hurts. Image Source: https://itsfoss.com/

If you install a language pack after you install this update, you must reinstall it. Therefore, we recommend that you install any language packs that you need prior to installing the cumulative update.

KB3081449 is released to replace KB3074678.

Cumulative Update KB3081444, Released on August 18, 2015

KB3081444 includes improvements in Windows 10 performance and addresses a specific vulnerability in Windows:

→3088903 MS15-093: Security Update for Internet Explorer: August 18, 2015

The note about the language pack installation for KB3081444 also applies here.

What is the Windows Update Delivery Optimization Feature?

According to Microsoft, this feature is originally designed to make sure that users all around the globe get the patches painlessly and immediately. Additionally, the WUDO feature is default in Windows 10 Home and Pro editions.

However, there is a way to disable the feature, if you decide you don’t need it, and it’s not difficult. Keep in mind that this change may affect the performance of your system. Follow these actions compiled by Paul Morris at www.redmondpie.com:

  • Launch Settings (Windows Key+I) and head into the Windows Update settings option.
  • Select Advanced options, then select ‘Choose how updates are delivered’ option.
  • Then, turn the toggle off.

Surely, many keen followers of the corp believe that the WUDO feature is actually pretty awesome and innovative. It has been designed to help users, not cause them trouble. Nonetheless, Internet connection problems are possible to occur, since Windows can consume bandwidth. Microsoft still reassures users that the WUDO feature will not affect the Internet speed because it uses a limited portion of idle bandwidth.

Let’s chat! Join our forum and follow the discussion about KB3081448, KB3081449, KB3081452.

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum since the project started. A professional with 10+ years of experience in creating engaging content. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles! Follow Milena @Milenyim

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  1. Dan

    This article is headed: Uninstall Windows Updates KB3081448, KB3081449, KB3081452
    So, how do you uninstall these updates? I don’t see anything in the article that says anything about uninstalling them?

    1. Milena Dimitrova (Post author)

      Hey, Dan. ‘Uninstall Windows Updates’ is a series of articles on SensorsTechForum about Windows 10 Updates. Unfortunately, there is still little information about the latest Win10 patches. We will keep informing our readers whenever new information is out.

      Kind Regards,


  2. Ashok Soni

    Seriously? How this post is related to the topic in any way?

    1. Milena Dimitrova (Post author)

      The answer to your question is visible in the reply to our user Dan :)

  3. BillDaNukularPhysist

    Well with the topic heading I have to agree. I removed KB3081449 and the constant explorer crashing stopped. It would crash regularly but randomly. Eventlogs were useless in determining the origin. Seems like it was just a patch bug as it happened after all updates were installed. I read elsewhere someone else had installed them and the crashing stopped. Seems to be the case with me as well so far. Its been more than 10 hours and no explorer crashes (new record previous was 3 hours).


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