./start-tor-browser.desktop --verbose
Launching ‘./Browser/start-tor-browser --detach --verbose’…
XPCOMGlueLoad error for file /home/user/Downloads/tor-browser_en-US/Browser/libxul.so:
libdbus-glib-1.so.2: cannot open shared object file: No such file or directory
Couldn’t load XPCOM.
./firefox --verbose
XPCOMGlueLoad error for file /home/user/Downloads/firefox-91.5.1esr/firefox/libxul.so:
libdbus-glib-1.so.2: cannot open shared object file: No such file or directory
Couldn’t load XPCOM.
Thanks for testing, @Fsjn! So I think this confirms it is a Firefox ESR (on which Tor Browser is based) issue. I can’t quite place my finger on what exactly is wrong here, but these bug reports look similar to the one you’re running into: