Hi and welcome to the forum, dreftt81!
It looks as a very old writer, but there seems to be a later firmware 1.50 here:
http://global.aopen.com/products_download.aspx
http://global.aopen.com/userdownload_List....p;Model=RW5120A
If you update the writer:
No disc in the writer
The tray closed
All other programs closed
After the flash, restart the computer.