Dear Users, 

Edval Timetable (Edval10.exe) has upgraded its .NET Framework compatability,  Please make sure that your machine is running on latest .NET Framework 4.8 version. 

You can install the framework from below link or request IT Team to install it for you if you dont have the right permission. 

Link: https://dotnet.microsoft.com/en-us/download/dotnet-framework/thank-you/net48-web-installer