If you're in Windows 11 and you're having problems with an app from Microsoft Store, consider these updates and fixes. First, sign in to your Microsoft account. Next, work through these possible solutions in the order presented. Make sure Windows is up to date.

Install, manage, or uninstall apps in Microsoft Edge. With Microsoft Edge, you can install and manage applications from your favorite web sites onto your devices for fast access. Use the edge://apps page to see your installed applications and manage app permissions.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

You see the following error code when you try to install or update a game or app on your Xbox console: Status code: 0x87e00017. This means that the download has failed or paused due to networking issues, or that there might be an Xbox service alert.

You see the following error code and message when you try to install an Xbox Game Pass game on a Windows 10 device: 0x80073D21. Change where you install apps. This app must install to your system drive, but that's not the default.

Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.

Checking the status of a game or an app installation on your Xbox console or Windows device is easy. When viewing the status of an installation, you can also cancel or pause the installation from your queue.

This update automatically applies Safe OS Dynamic Update ( KB5034235) to the Windows Recovery Environment (WinRE) on a running PC to address a security vulnerability that could allow attackers to bypass BitLocker encryption by using WinRE. For more information, see CVE-2024-20666.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows. The 64-bit version is %systemroot%\System32\regsvr32.exe.