There is no official product or system component known as "galaxywrpdll"
The "wrp" in the name stands for . Because many classic games were originally developed with tight Steam API integration for DRM and achievements, developers often use a wrapper like galaxywrp.dll to redirect those Steam calls to the GOG Galaxy environment.
Gaming communities, especially for titles like Stellaris , Elite Dangerous , or Star Citizen , frequently generate unique file names. galaxywrpdll could be part of: