KB4577015 improves Group Policies, updating, and more

by Teodor Nechita
Teodor Nechita
Teodor Nechita
Software Managing Editor
Eager to help those in need, Teodor writes articles daily on subjects regarding Windows, Xbox, and all things tech-related. When not working, you may usually find him either... read more
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With the September Patch Tuesday updates having just arrived, many are curious to see precisely what changes have been brought to their OS.

Of course, while some core features have been applied to all versions of Windows 10, let us not forget that there are major differences between the versions, especially between the oldest, Windows 10 v1507, and the newest, Windows 10 v2004.

That being said, some version of Windows 10 may have received a little bit of extra fixing and tweaking, while others may have ended up with new issues entirely after the upgrade.

That’s precisely the face with KB4577015, this month’s cumulative update to Windows 10 v1607.

KB4577015 brings support to several core Windows features

While all cumulative updates for all other versions of Windows 10 received the same core treatment, the same cannot be said about KB4577015, which brings several other fixes no present in the other cumulative updates.

As per the official Microsoft Changelog, here are the changes specific only to KB4577015:

  • Provides the ability to set a Group Policy that displays only the domain and username when you sign in.
  • Addresses an issue that stores restricted characters in the Input Method Editor (IME) conversion list.
  • Addresses an issue with object performance counters.
  • Addresses an issue that sometimes prevents AppLocker from running an application whose publisher rule allows it to run.
  • Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.
  • Addresses an issue that might prevent a client from reconnecting to a previous RemoteApp session unless an administrator closes the session on the server.

The highlight of this cumulative update is a fix to common update issues that were frequent to Windows 10 v1607 whenever updates were attempted.

After applying this update, users should experience fewer update issues like freezes, update loops, the download fails, or anything else related.

That’s pretty much it for KB4577015 and the changes that it has brought to Windows 10 v1607.

It is important to know that regardless of whether a certain cumulative update brings improvements or issues, it is important to get them nonetheless for the security protection.

Of course, for the best issue-free experience applying the updates, there are a few steps that anyone should follow in order to apply these patches, otherwise they may end up needing to use the Windows Update Troubleshooter.

Those of you running this version of the OS should nevertheless get this update as soon as possible at least for the security improvements.

To do that, simply head over to this article we’ve created where you can read the changelog of all other cumulative updates, as well as get direct download links to the required updates.

However, if you want to read about the entire history of the Patch Tuesday changelogs, head over to this complete list.

What’s your take on this cumulative update? Let us know if you’ll be applying the update as soon as it becomes available in your region by leaving us a message in the comments section below.