When you’re trying to install net framework 4 in windows you might be getting this error code message this is caused of you do not have genuine windows and windows update are not working in your system.
I will tell you how to solve this issue without having genuine windows in your system you do not need to worry about it.
Step 1. First of all you will have to stop windows update service by this command
Run cmd by administrator and Type net stop WuAuServ
Step 2 type in search %windir% and press enter
Step 3 . In the opened folder, rename the folder SoftwareDistribution to SDold.
Step 4. Now try to install net framework 4 after installation you will get this windows
Step 5 – It will ask you to restart the system