Solved! Help! Registry Errors .Net Fx not working :(

[darkmule]

I installed some registry cleaner software, it messed up with the registry it hasn't done any backup of the original registry / I have no backup or system restore point /
Also most windows apps cant load
I've attached some sreenshots
I appriciate if anyone can guide me to troubleshoot the problem
thanks in advance )
sorry for my bad English
Image 1 [ https/imgur.com/a/gOJhj2j ]
Image 2 [ https/imgur.com/a/EquGbiF ]

 

[Sohom]

download and re-install the .net framework. it will fix the issue with .net registry error