Error stop codes under the flag A03 occur when the LAYCOTECH GameOn! Driver is running on incompatible hardware or an edition of the GameOn! driver that was designed for different hardware is running on your system.
Code E745 occurs when the GameOn! driver designed for Windows XP with NVIDIA graphics processors is being installed and used on a system that does not include Windows XP and a NVIDIA graphics processor.
This error can be fixed by uninstalling the current GameOn! Driver and installing the correct edition. You can do this by typing WIN+R and using the following text in the textbox:
Follow the prompts and then download the correct edition of the GameOn! driver for free at http://www.laycotech.co.uk/gameon/download.aspx?=autodetect