unwanted Windows Explorer popup after ImgBurn 2.5.1.0 burns & verifies

[JohnnyBob]

For example after burning/verifying a movie to the D-drive, a Windows Explorer instance opens like the following:


I tried turning off autoplay for the drive but that has no effect. This just started happening recently and I have no idea what caused it or how to stop it. It's a relatively minor annoyance but becoming more irritating as time goes by...

(Windows XP SP3)