I'm getting this error:

> 
> To prevent possible data loss before loading the designer, the
>  following errors must be resolved: Could not find type
>  'System.Windows.Forms.Form'. Please make sure that the assembly that
>  contains this type is referenced. If this type is a part of your
>  development project, make sure that the project has been successfully
>  built using settings for your current platform or Any CPU.
> 
> 
> 

I searched for this, but did not find correct answer. Please, can anyone help?