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Using GTK+ 2.x and GTK+ 3 in the same process is not supported . . .

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I had been using firefox just fine, until I started to get the error message:

   $ ./firefox -safe-mode &
   [3] 4499
   $ 
   (firefox:4499): Gtk-WARNING **: GTK+ module libgail.so cannot be loaded.
   GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.
   close failed in file object destructor:
   sys.excepthook is missing
   lost sys.stderr
   [3]+  Exit 1                  ./firefox -safe-mode
   $ 
How should I troubleshoot such error?
lbrtchx
I had been using firefox just fine, until I started to get the error message: $ ./firefox -safe-mode & [3] 4499 $ (firefox:4499): Gtk-WARNING **: GTK+ module libgail.so cannot be loaded. GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported. close failed in file object destructor: sys.excepthook is missing lost sys.stderr [3]+ Exit 1 ./firefox -safe-mode $ How should I troubleshoot such error? lbrtchx

Additional System Details

Application

  • User Agent: Mozilla/5.0 (X11; Linux i686 (x86_64)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.113 Safari/537.36

More Information

cor-el
  • Top 10 Contributor
  • Moderator
17534 solutions 158559 answers

It is likely that you have an old version of libgail.so that is part of GTK+ 2. You will have to check your software update to see if you can install a GTK+ 3 version.

It is likely that you have an old version of libgail.so that is part of GTK+ 2. You will have to check your software update to see if you can install a GTK+ 3 version. *https://www.google.com/search?q=libgail.so