Run the troubleshooter: Select the Start button, and then select Settings > Update & Security > Troubleshoot, and then from the list select Windows Store apps > Run the troubleshooter.

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Microsoft Store apps updates Change log Improvements This security update contains fixes and quality improvements from KB5074109 (released January 13, 2026). KB5077744 (released January 17, 2026), and KB5078127 (released January 24, 2026). The following summary outlines key issues addressed by this update. Also, included are available new features.

Microsoft 支援服務在此協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的使用方法文章、影片和訓練。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

The Xbox Family Settings app provides a simple and convenient way for organizers in a family group to set members’ communication and multiplayer privacy settings from a mobile device.

Solution 1. Restart your PC Solution 2. Repair or reset the app (if available) Note: Not all desktop apps support repair or reset options.

To see the permissions for an app, go to the app product page in Microsoft Store or online. If you don’t want an app to use any of the features listed, you can choose not to install it.

Create a site Select + Create site on the SharePoint start page. Select whether you'd like to create a Team site or a Communication site. Select the template that you want to use to create your new site. Select Use template to begin creating a site from your selected template. Enter the name for the site. When you start to enter a name for the site, other fields appear. You can enter a site ...

Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.