What to do if the. NET Framework 4.0 installation fails

1. Start-run-enter cmd--carriage return-Enter the net stop WuAuServ in the window that opens

2. Start-run-enter%windir% find a folder called SoftwareDistribution, rename it to Sdold

1. Start-run-enter cmd--carriage return-Enter the net start WuAuServ in the open window
2. Start-run-enter regedit--carriage return

3. Find the registry, the main sub-key under the Hkey_local_machine\sofware\microsoft\internet Explorer, right-click Main, in the menu above to find "edit"-"Permissions", click will appear "Full Control" such as the words, hook can be assured installation.

   Note: This problem occurs in the general use of Ghost system, because the development system default permissions settings cause this situation is not installed

   Reference: http://jingyan.baidu.com/article/00a07f3892376982d028dc2a.html

What to do if the. NET Framework 4.0 installation fails