如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。

当无法安装或删除程序时，程序安装和卸载故障排除程序可自动修复问题。 它同时修复损坏的注册表项。 首先，你需要下载 ...

Operating System. Files to choose from the Microsoft Download Center. Windows XP SP2 Windows XP SP3. For 32-bit: WindowsXP-KB942288-v3-x86.exe For 64-bit: WindowsServer2003-KB942288-v4-x64.exe

Download Windows Media Player. Get Windows Media Player for your version of Windows, or learn how to play Windows Media files on your Mac. Get the details here.

If your PC was repaired or rebuilt, it's possible that a different version of Windows was installed. Or, if a different product key was used for your PC during repair, that key might have been used on more PCs than allowed by the Microsoft Software License Terms.

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

Summary. This update automatically applies Safe OS Dynamic Update 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.

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Reinstall OneDrive for Windows. The OneDrive app comes with Windows 8.1 and Windows RT 8.1 and cannot be uninstalled, but you can uninstall OneDrive from Windows 7, Windows Vista and some versions of Windows 10.

在 Windows Server 2012 中，适用于 Microsoft Windows 的更新 (KB4486081) 显示在“控制面板”的“已安装的更新”下。 在 Windows RT 8.1、Windows 8.1 或 Windows Server 2012 R2 中，适用于 Microsoft Windows 的更新 (KB4486105) 显示在“控制面板”的“已安装的更新”下。