Solution 1
Once that appears click continue and try starting it again
What this does is ignores the problem causing .net framewrok to not respond properly and try to open the hack manually
Solution 2
Go to Microsoft Corporation: Software, Smartphones, Online, Games, Cloud Computing, IT Business Technology, Downloads search for .net framewrok 4.0 download install and repair your framewrk system
Solution 3
If you have teamviewer pm me in about 8-9 hours after this post and i might be able to help you
Hope i helped @VICELER