The update is just rolling out to users and according to the company KB3081438 “includes improvements to enhance the functionality of Windows 10”, which also means that it addresses a number of undisclosed bugs, and it doesn’t include any new features. In addition, the company warns “If you install a language pack after you install this security update, you must reinstall this security update. Therefore, we recommend that you install any language packs that you need before you install this security update. For more information, see Add language packs to Windows.” According to the software giant every Windows 10 update is cumulative. Therefore, this package includes all the fixes previously released. If you have previous updates installed, only the new changes will download and install to your computer. Earlier today, the company also issued a fix for the Windows 10 Store, problem that users reported was preventing them from updating existing and downloading new apps, but now it seems that the issue has gone away. KB3081438 is available immediately, you can wait until the operating system downloads and install the patch automatically, or you can always go to Windows Update from the Settings app to manually apply the update, which also requires to restart.

Direct download for KB3081438 (link requires you to use Internet Explorer)

Update, August 15, 2015: According to new information provided by Mary Jo Foley from ZDNet, the new cumulative update for Windows 10 also fixes the Store issues. However, there are still some users with the same problems after installing KB3081438. Source Microsoft All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.