Xp system can not install NET Framework4.0 how to do? Xp installation NET Framework failure solution

can not install NET Framework4.0 problem, the specific problem phenomenon is as follows:

Workaround:
First step:
1, start & mdash; & mdash; Run —— enter cmd—— enter;
2, enter net stop WuAuServ2 in the window that opens, start ——run ——enter %windir%3;
3, in In the window that opens, there is a folder called SoftwareDistribution, rename it to SDold4, start —— run —— enter cmd—— enter;
4, enter net start WuAuServ in the window that opens .
Second Steps:
1, Start ——Run ——Enter regedit——Enter;
2, find the registry, HKEY_LOCAL_MACHINE\\SOFWARE\\Microsoft\\Internet Explorer MAIN Sub-key, click on main, in the above menu, find "Edit" & rdquo;--“ permission & rdquo;, click on it will appear "Allow full control" and other words, check it. The reason for this situation is mainly the system done with ghost. There are many systems that kidnap IE.
The third step:
1, install Net.Framework4.0.
The above is the solution to the failure of Xp installation NET Framework. If you have encountered the same problem, you can set it up according to the above method.