8个回答
此问题是由 Windows 7 和 Microsoft Windows XP Service Pack 2 (SP2) 之间的设计差异造成的。具体来说，在 Windows XP SP2 中，DHCP 探索数据包中的 BROADCAST 标志设置为 0（禁用）。而在 Windows 7 中，并未禁用 DHCP 探索数据包中的 BROADCAST 标志。因此，某些路由器或非 Microsoft DHCP 服务器将无法处理 DHCP 探索数据包。
你的系统不是正版的windows7，或者没激活。 上面的乱说，自己下个windows7系统激活软件.
f8 带命令提示符的安全模式 sfc/scannow
1.执行Games For Windows Live安装包可以自动卸载老版本或覆盖。
2.使用 魔方 或 优化大师 等软件进行智能卸载。
2.使用 魔方 或 优化大师 等软件进行智能卸载。
这种问题一般有系统错误引起的，重装系统如果还未能解决就要检查磁盘是否有坏道与散热问题。
其实就是个阉割版本的2010，如果我没有记错的话，应该是缺少PPT 功能，可以进行卸载的。
ESU For Microsoft Win7即Essential System Updates for Microsoft Windows 7，是针对Windows7系统的一个增强程序，通过微软提供的一些修补以及增强程序，来加强对Win7系统的支持~一般情况下，建议安装。
当然，不安装也没事，我的HP本，Win7系统，昨天卸载了，对系统无影响~
附上英文安装说明（HP）：
This package installs Microsoft fixes and enhancements for the Microsoft Windows 7 Operating System, as well as providing other fixes and enhancements that are specific to the supported notebook/laptop models. These fixes and enhancements are required to improve the performance of these notebook/laptop models.
以及增强功能说明（HP）：
New fixes included in sp46718: - Resolves a UDFS write failure that occurs when performing a Complete PC Backup to BD-R media. (This issue is described in Microsoft Knowledge Base Article 977015, which is not currently available to the public.) - Adds the fix from Microsoft Knowledge Base Article 977632, A computer that is running a virtual machine in Windows Virtual PC may stop responding or restart when you resume it from sleep or from hibernation in Windows 7. The following fixes from earlier SoftPaqs are also included: - Adds the fix from Microsoft Knowledge Base Article 975778, The Chkdsk.exe program does not start correctly on a Windows 7-based computer. - Adds the fix from Microsoft Knowledge Base Article 975617, An update is available for the UDF file system driver (Udfs.sys) for Windows 7 and Windows Server 2008 R2. - Adds the fix from Microsoft Knowledge Base Article 975741, Some function keys or keyboard shortcuts do not work correctly on a computer that is running Windows 7. - Adds the fix from Microsoft Knowledge Base Article 974090, An update is available that allows for a potential power saving in an AMD multicore processor that is running an x64-based version of Windows Vista SP2, of Windows Server 2008 SP2, of Windows 7, or of Windows Server 2008 R2. NOTE: This update is not applicable to 32-bit versions of the operating system. - Adds the fix from Microsoft Knowledge Base Article 974476, The computer stops responding when an USB device resumes from the USB Selective Suspend state in Windows 7 or in Windows Server 2008 R2.
当然，不安装也没事，我的HP本，Win7系统，昨天卸载了，对系统无影响~
附上英文安装说明（HP）：
This package installs Microsoft fixes and enhancements for the Microsoft Windows 7 Operating System, as well as providing other fixes and enhancements that are specific to the supported notebook/laptop models. These fixes and enhancements are required to improve the performance of these notebook/laptop models.
以及增强功能说明（HP）：
New fixes included in sp46718: - Resolves a UDFS write failure that occurs when performing a Complete PC Backup to BD-R media. (This issue is described in Microsoft Knowledge Base Article 977015, which is not currently available to the public.) - Adds the fix from Microsoft Knowledge Base Article 977632, A computer that is running a virtual machine in Windows Virtual PC may stop responding or restart when you resume it from sleep or from hibernation in Windows 7. The following fixes from earlier SoftPaqs are also included: - Adds the fix from Microsoft Knowledge Base Article 975778, The Chkdsk.exe program does not start correctly on a Windows 7-based computer. - Adds the fix from Microsoft Knowledge Base Article 975617, An update is available for the UDF file system driver (Udfs.sys) for Windows 7 and Windows Server 2008 R2. - Adds the fix from Microsoft Knowledge Base Article 975741, Some function keys or keyboard shortcuts do not work correctly on a computer that is running Windows 7. - Adds the fix from Microsoft Knowledge Base Article 974090, An update is available that allows for a potential power saving in an AMD multicore processor that is running an x64-based version of Windows Vista SP2, of Windows Server 2008 SP2, of Windows 7, or of Windows Server 2008 R2. NOTE: This update is not applicable to 32-bit versions of the operating system. - Adds the fix from Microsoft Knowledge Base Article 974476, The computer stops responding when an USB device resumes from the USB Selective Suspend state in Windows 7 or in Windows Server 2008 R2.
先把U盘格式化杀下毒，再重新安装U盘启动试试，应该不可能有毒的！