To reproduce this bug in Win95:

1. Start appletviewer in Windows 95.
2. From the menu, choose applet/print.
3. Move the print window in top of the appletviewer window.
4. Move the print window outside the appletviewer window.

The appletviewer window is still showing parts of the print one. This also happens with any other window in top of appletviewer after opening the print option.
 
To reproduce this bug in Windows NT:

1. Start appletviewer in Windows NT.
2. From the menu choose: applet/print.
3. Move any other window in top of the appletviewer one and minimize it.

The appletviewer window is showing parts of the minimized one.

I tried jdk1.1.4 and jdk1.1.5 and they're ok. In 1.1.5 or 1.1.4, the appletviewer window is shown blank until the user accept/cancel the print action.