For the FlashTracer Firefox Extension to work with K-Meleon 74.0 and K-Meleon 75.0 Beta, download FlashTracer
https://addons.cdn.mozilla.net/user-media/addons/3469/flashtracer-2.2.0-fx.xpi and rename it to {22832dda-1de6-4443-9ab5-d34214b03347}.xpi
Next copy {22832dda-1de6-4443-9ab5-d34214b03347}.xpi into the extensiosn folder.
Then download FlashTracerhttp://kmext.sourceforge.net/extensions/flashtracer.7zfrom K-Mwleon Extensions Central
Last extract macros from FlashTracer
http://kmext.sourceforge.net/extensions/flashtracer.7z into the K-Meleon Root Folder.