Please perform the following actions.

Open the command prompt and go to the

"C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\" folder.

Then run the following command: 

aspnet_regiis.exe -i


If the above command won't help then make the following modification in the Web.Config file (it's in the Easy Projects installation folder, "c:\inetpub\wwwroot\easyprojects" by default):

-----Before the modification-------

<sessionState mode="SQLServer" sqlConnectionString="server=(local);Trusted_Connection=false;uid=sa;pwd=sa;enlist=false;" timeout="600" />

-----After the modification-------

<sessionState mode="InProc" />