Icons in File Name Field
 

I just upgraded to 4.6.0 from 4.4.0 and both versions have the same garbled icon to the left of the Name field, for all the files, in all the file lists. I had an older version a long time ago that had the same problem and I don't remember how it was fixed. I'm using Windows 98. It's not SE, so I can't get the newest version of Java runtime. It looks like I'm using 1.4.2. Does anyone know what the fix is, other than change operating systems?