client-server architecture program

I need a client-server architecture program for windows OS (minimum support: Win 7),. the agent program will run as a background process and perform certain tasks every X time, and send results to a web server (PHP API). - The client agent program which will run on Windows must be stable and secure. it must be lightweight, and dose not use too much memory. The client agent program must be written in C++ the server side script which will accept the request from client program must be in PHP. The client agent program must be a single file (just .EXE), and it’s size must be small. The client agent program must start automatically when windows start, basically the The client agent program is like a service background process. The client agent program must detect if there’s a proxy is set in Internet explorer and use that proxy configuration most computers on the network are set to use a local proxy, the allowed ports are 80 and 443 The server side PHP script will store the received data into organised folders. the folders will be created dynamically based on PC name for the PC on which the program agent runs. Performance and stability is a must * send me your cover letter if you're interested in doing this project, then I will provide you full project details.