我想安装 VS 2010 Ultimate。我已经有了 VS Express C# 和 Web Developer。当我下载终极版本时，在安装过程中我遇到了 Service Pack 1 for VS 的错误。我尝试卸载 SP1，但出现以下错误：
Number of applicable items: 2
WM_ACTIVATEAPP: Focus stealer's windows WAS visible, NOT taking back focus
Patch () Uninstall succeeded on product (Microsoft Visual C# 2010 Express - ENU). Msi Log:
Patch () Uninstall succeeded on product (Microsoft Visual Web Developer 2010 Express - ENU). Msi Log:
Patch () Uninstall succeeded on product (Microsoft Team Foundation Server 2010 Object Model - ENU). Msi Log:
Patch () Uninstall failed on product (Microsoft Visual Studio 2010 ADO.NET Entity Framework Tools). Msi Log:
Patch () Uninstall failed on product (Visual Studio 2010 Prerequisites - English). Msi Log:
Patch () Uninstall failed on product (Microsoft Visual Studio 2010 Express Prerequisites x64 - ENU). Msi Log:
Exe (d:\eda4099f7bd96409fc6d81113d28\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
Patch () Uninstall failed on product (Microsoft Visual Studio 2010 ADO.NET Entity Framework Tools). Msi Log:
Patch () Uninstall failed on product (Visual Studio 2010 Prerequisites - English). Msi Log:
Patch () Uninstall failed on product (Microsoft Visual Studio 2010 Express Prerequisites x64 - ENU). Msi Log:
MSI (C:\Users\Wazzaap\AppData\Local\Temp\Microsoft Visual Studio 2010 Service Pack 1_10.0.40219\VS10sp1_x86.msi) Uninstall succeeded. Msi Log: Microsoft Visual Studio 2010 Service Pack 1_20121009_103241668-MSI_VS10sp1_x86.msi.txt
Final Result: Installation failed with error code: (0x80070643), "Błąd krytyczny podczas instalacji. " (Elapsed time: 0 00:19:07).
如何修复它？我也想拥有 Ultimate 版本和 webdeveloper。但是这个Service Pack 好像坏了。
问候！