Windows 10 Build 14986 issues: installation fails, Cortana problems, and more

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Microsoft released the new build 14986 for Windows 10 Preview a few days ago. The new build is the biggest Creators Update build so far, as it brings more features and additions than any of the previous one.

However, just like it’s the case with just about any Windows Preview build, new features and improvements are not the only things¬†it brings. Various issues and problems are a common sight in Windows 10 Preview builds, and build 14986 is not an exception.

Microsoft already released a list of known issues in the build, but the situation is slightly different in real life. We’ve wandered around Microsoft’s forums to find problems reported by actual users. In this article, we’re going to tell you what bothers Insiders in Preview build 14986, so you can know what to expect if you haven’t installed the build yet.

Windows 10 Preview build 14986 reported issues

The biggest problem in build 14986 (just like in any other Preview build) is the installation issue. In fact, various installation problems hit Insiders who were trying to install the new build. Insiders are facing various error codes and messages. Some of them are:

  • “Trying to install 14986 but it keeps failing at 12% after the initial reboot.¬† I have disconnected all USB devices and also the internet during this stage to no avail.”

  • “Windows 10 Insider Preview 14986 (rs_prerelease) -Error 0xc1900201”

Luckily, there’s a solution for the installation issues. Microsoft’s employee Jason [MS] recently posted a thread on the forums, where he explained that Insiders facing the installation problem can solve it by running a troubleshooter. You can download the troubleshooter from this link.


Even those Insiders who managed to install the new build have their share of problems. A few Insiders reported on the forums that they’re unable to access¬†Google in Microsoft Edge or Internet Explorer. Here’s what one of them said¬†:

“After updating to build 14986 cannot get to anything on google.com with IE or Edge. Getting Page Cannot be displayed error.”

Unfortunately, no one had a proper solution for this problem.


Microsoft introduced a few Cortana improvements with build 14986. However, one user complained on the forums that he’s unable to use some of the Cortana’s freshest features, more precisely the ability to restart the computer, and adjust the volume.

“I read about the new WIndows Preview 14986 – it said that Cortana could raise volume – restart computer – and a number of other things – I see a new UI after asking questions from¬†Cortana (full screen) but when¬†I ask to re-start or raise volume¬†Cortana says “I can’t do that right now – look for future updates.

DId Microsoft change it’s mind or is there a setting I need to change to allow Cortana¬†to do this? Or is this functionality reserved for Cortana on WIndows Phones?

I was really excited to¬†hear about this new functionality and am now disappointed that it isn’t working. I have confirmed that I am on 14986 build – your help is appreciated.”

This thread had no answers at the time of writing this article, so we can’t confirm if there’s a solution. In case you’re experiencing the same problem, we can advise you to check out our article about Cortana problems in Windows 10, but once again, we can’t guarantee any of our workarounds will solve the problem.


That’s about it for today’s report. As you can see, this build is far less troublesome than some of the previous releases. So, not only does it bring a huge number of new features, but also causes just a few problems, which is great, and we should give Microsoft credit for that.

In case you’ve encountered some problem that we didn’t list in this article, feel free to let us know in the comments below.

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2 responses to “Windows 10 Build 14986 issues: installation fails, Cortana problems, and more”

  1. mrgoldy@hotmail.com' Mike says:

    I have an app that goes white screen when maximized as of Dec 13th. I uninstalled KB3206632, restarted and the app works fine. Unfortunately win10 doesn’t let you stop an auto update, so it just downloaded it and installed it again. I have other coworkers that are having the same issue.

  2. tonymbofana@yahoo.com.sg' elton mbofana says:

    i didnt get a good response on what to do if installation not download, is stuck at 32% for example?? Should you force shutdown and then reboot to try to implement the suggested workaround? I am afraid force shutdown may damage the OS irreversibly

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