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<blockquote data-quote="Deleted member 65228" data-source="post: 700500">I believe it is to do with installation of Windows Metro applications, the general ones such as your Mail application. Since the &quot;appxpackage&quot; is related to such packages, and there&#039;s the &quot;add-&quot; linked up to the instruction. Either a new application was added (Metro style) to the FCU environments, or a re-installation/update happened for one.I don&#039;t think you need to worry about any of it; you were installing the Creators Update and it happened afterwards after all. It&#039;s natural for Windows to do additional things in the background after a major update, and the Fall Creators Update changed a whole ton of things so it&#039;s not out of the ordinary in my opinion.You can try to track the execution of the Powershell back to the responsible culprit process, I&#039;m sure you&#039;re fine. On that note, I recommend disabling Powershell unless you really need it because a lot of &quot;file-less&quot; attacks as people call them tend to like it.Edit:<a href="https://www.microsoft.com/en-us/store/p/hevc-video-extension/9n4wgh0z6vhq?SilentAuth=1&amp;wa=wsignin1.0" target="_blank">Get HEVC Video Extension - Microsoft Store</a>I believe this is what was installed via the Powershell command. It&#039;s to do with videos/codecs. It allows you to play content in 4K/Ultra HD system-wide across all apps for HEVC content. You&#039;d have to educate me on HEVC because I don&#039;t know much on media terms.</blockquote>

[QUOTE="Deleted member 65228, post: 700500"] I believe it is to do with installation of Windows Metro applications, the general ones such as your Mail application. Since the "appxpackage" is related to such packages, and there's the "add-" linked up to the instruction. Either a new application was added (Metro style) to the FCU environments, or a re-installation/update happened for one. I don't think you need to worry about any of it; you were installing the Creators Update and it happened afterwards after all. It's natural for Windows to do additional things in the background after a major update, and the Fall Creators Update changed a whole ton of things so it's not out of the ordinary in my opinion. You can try to track the execution of the Powershell back to the responsible culprit process, I'm sure you're fine. On that note, I recommend disabling Powershell unless you really need it because a lot of "file-less" attacks as people call them tend to like it. Edit: [URL='https://www.microsoft.com/en-us/store/p/hevc-video-extension/9n4wgh0z6vhq?SilentAuth=1&wa=wsignin1.0']Get HEVC Video Extension - Microsoft Store[/URL] I believe this is what was installed via the Powershell command. It's to do with videos/codecs. It allows you to play content in 4K/Ultra HD system-wide across all apps for HEVC content. You'd have to educate me on HEVC because I don't know much on media terms. [/QUOTE]

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