Change that setting, then change it back afterwards ??Quote
To install it you should have kmeleon.install_firefox_extension pref set to false.
After that you can install it just like firefox-addons by clicking the link to XPI-file.
Can you detect a pattern in actions surrounding either the restart works or restart fails? I have not had a failure using standard 75.1 but I don't have the pro version.Quote
rodocop
And I should confirm this bug - yes, KM doesn't reload some times (some times does).