For the Xultris Firefox Extension to work with K-Meleon 74.0 and K-Meleon 75.0, download Xultris 4.0.1-signed
https://addons.cdn.mozilla.net/user-media/addons/2155/xultris-4.0-fx+fn.xpi and rename it to {bed1bcec-57d3-47e1-a32b-b4e5f3003019}.xpi
Next copy {bed1bcec-57d3-47e1-a32b-b4e5f3003019}.xpi into the extensiosn folder.
Then download Xultris
http://kmext.sourceforge.net/extensions/xultris.7z under Miscellaneous Extensions
http://kmext.sourceforge.net/ext8.htm on K-Meleon Extensions Central.
Last extract macros from Xultris
http://kmext.sourceforge.net/extensions/xultris.7z into the K-Meleon Root Folder.