>Hi All,
>
>I want to just simpe crypt-decrpy a string with VFP crypto .vcx file and tried to see sample, it gives that error:
>
>"The required crypto service provider is not installed or not functioning properly on this system. Some or all of these samples may not work".
>
>Is there any easy way to use Windows's crypto API just for crypt and decrypt a string?

Why not use Craig Boyd's VFPEncrypt? http://www.sweetpotatosoftware.com/spsblog/2009/08/09/MajorVFPEncryptionUpdate.aspx