Solution of the troubleshooting of machine.config File not found

Sometime we install the .Net framework 3.5 we will meet the error code 1603,a part of the error were caused by machine.config file not found or error.So we must download a machine.config file and copy to the path "C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\".This is the source code of this file ,you can copy the code and save as the machine.config. Read more