貼出錯誤代碼，請具有相同錯誤代碼在朋友參考
復制代碼 代碼如下:
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OS Version = 5.1.2600, Platform 2, Service Pack 3
OS Description = WinXP - x86 Professional Service Pack 3
CommandLine = D:/d6d82a1105eaa9e6c52e05c240c232//Setup.exe /x86 /x64
Using Simultaneous Download and Install mechanism
Operation: Installing
Package Name = Microsoft .NET Framework 4 Client Profile Setup
Package Version = 4.0.30319
User Experience Data Collection Policy: UserControlled
Number of applicable items: 5
Final Result: Installation failed with error code: (0x80070643), "安裝時發生嚴重錯誤 " (Elapsed time: 0 00:02:08).
下面是解決方案：
1.按組合鍵win+R，打開運行，輸入cmd，回車，在輸入net stop wuauserv，回車，即停止了update的服務；
2.打開C盤根目錄下的“Windows”文件夾，找到SoftwareDistribution文件夾，將其重命名為SDold；
3.按組合鍵win+R，打開運行，輸入cmd，回車，在輸入net start wuauserv，回車，即啟動了update的服務；
4.win+R，輸入regedit，打開注冊表，依次展開到HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Internet Explorer/
，再在左則右擊main，權限，所有用戶權限設置為完全控制，如下圖：