verbose bringt etwas mehr Klarheit... aber ich habe im homeordner keinen Ordner .thunderbrid!
h@hal:~$ thunderbird --verbose
INFO -> [[ ... using verbose mode ... ]]
DEBUG -> There is already a folder or symlink '/home/h/.thunderbird', will do nothing.
DEBUG -> Please investigate by yourself! Some more information below.
<12>Mar 9 16:47:57 h[24348]: /usr/bin/thunderbird: [profile migration] Couldn't migrate Icedove into Thunderbird profile due existing or symlinked folder '/home/h/.thunderbird'!
DEBUG -> /home/h/.icedove is probably a symlink pointing to a non existing target, at least not to /home/h/.icedove.
<12>Mar 9 16:47:57 h[24350]: /usr/bin/thunderbird: [profile migration] /home/h/.icedove is probably a symlink pointing to a non existing target, at least not to /home/h/.icedove.
DEBUG -> /home/h/.thunderbird is probably a symlink pointing to a non existing target, at least not to /home/h/.icedove.
<12>Mar 9 16:47:57 h[24352]: /usr/bin/thunderbird: [profile migration] /home/h/.thunderbird is probably a symlink pointing to a non existing target, at least not to /home/h/.icedove.
Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve property `gtk-primary-button-warps-slider' of type `gboolean' from rc file value "((GString*) 0x55d6bef4f2e0)" of type `gboolean'