Create A full Size Window to Appear After Windows Log on

Looking for someone who can create a full Size Window to Appear After Log in to the system. We have remote user who access our machine and we want to give them a notice that they are entering the environment where data is confidential and that they accept the terms and conditions. The page will have Accept and Deny. Accept will take them in. Deny will take them out.

also need one small utility to convert word documents into pdf file.