Fixes an issue in which uninitialized memory can be read in some rare cases when using variable length parameters. Fixes an issue that was introduced in a previous Windows update that causes restarts and prevents Setup from continuing.

Open Edge browser, select Settings and more in the upper right corner of your browser window. Select Settings > Privacy, search, and services . Select Cookies, then click See all cookies and site data to view all stored cookies and related site information.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Begin with the Basic troubleshooting section below. If none of those steps correct the connection error, check the Error-specific troubleshooting section to see if additional steps are listed for your specific error message. If you don’t see your error message listed, move on to the Additional troubleshooting section.

Installing the latest printer driver can help fix printing issues, improve performance, and add new features. Microsoft recommends downloading and installing the latest printer driver for a printer. The recommended method to download, install, and update printer drivers is using Windows Update.

To determine the version of your WinRE image, see the "Methods to verify the WinRE version installed" section. If your running PC does not have a WinRE recovery partition. To verify if you have WinRE enabled, run the following command in an elevated command prompt: reagentc /info.

To check refund eligibility on a Microsoft 365 Basic, Personal, Family or Premium subscription you purchased from Microsoft, you will need to cancel it first. Follow the steps to cancel the subscription:

Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance.

Reactivating Office requires different steps depending on your situation. Note. If you already own a Microsoft 365 or Office license, then you can sign in to your Microsoft account Services & subscriptions page and install the product (s) that you own.

To add your device to a new or existing mobile account through the Mobile Plans app, you’ll need to have Windows 11 installed. To check for updates, open Windows Update in Settings, then select Check for updates.