摘要：
1- could not find xml file where at C:\Windows\Microsoft.NET\Framework\v4.0.30128\Config\machine.configsolution: copy and rename v4.0.30319 as v4.0.30128（old and wrong）solution2: because vs2010 is RC version, so it has V4.0.30128, you can uninstall .net framework 4 and reinstall, but it may occur ag 阅读全文