如题所述
兄弟，跟我的出现的问题一样，我刚找到解决办法了，你下的是32位系统用的软件 去下64位的NET FARMEWORK4.0，下载地址如下：
http://www.microsoft.com/downloads/zh-cn/details.aspx?displaylang=zh-cn&FamilyID=0a391abd-25c1-4fc0-919f-b21f31ab88b7
真心希望能帮到你，谢谢！
http://www.microsoft.com/downloads/zh-cn/details.aspx?displaylang=zh-cn&FamilyID=0a391abd-25c1-4fc0-919f-b21f31ab88b7
真心希望能帮到你，谢谢！
温馨提示：答案为网友推荐，仅供参考
第1个回答 2011-11-04
Win7旗舰版的系统不支持 net framework4.0的版本
第2个回答 2011-11-04
这个win7自带的有，如果是以前卸了现在又装，最好把相关的补丁也卸了再装net 4.0
第3个回答 2011-10-29
硬件配置达不到要求吧，要20GB，加2GB内存呢。望采纳。追问
硬盘要求都达到了呀！我的是win7旗舰版64位 每次安装到net framework4.0就出现错误
第4个回答 2011-10-29
我的是win7旗舰版，装visual studio2010时net framework4.0老是装不上去..
[10/16/11,18:20:14] Microsoft .NET Framework 4: [2] Error code -939523550 for this component is not recognized.
[10/16/11,18:20:14] Microsoft .NET Framework 4: [2] Component Microsoft .NET Framework 4 returned an unexpected value.
[10/16/11,18:32:26] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 is not installed.
[10/16/11,18:32:26] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 简体中文语言包 was not attempted to be installed.
[10/16/11,18:32:26] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 64 位系统必备(x64) was not attempted to be installed.....以下省略..
[10/16/11,18:20:14] Microsoft .NET Framework 4: [2] Error code -939523550 for this component is not recognized.
[10/16/11,18:20:14] Microsoft .NET Framework 4: [2] Component Microsoft .NET Framework 4 returned an unexpected value.
[10/16/11,18:32:26] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 is not installed.
[10/16/11,18:32:26] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 简体中文语言包 was not attempted to be installed.
[10/16/11,18:32:26] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 64 位系统必备(x64) was not attempted to be installed.....以下省略..
