Gvim GLib-GObject-WARNING in ubuntu 13.10
This doesn't fix your issue, but I tried removing and installing vim-gnome and had the same problem. So, I removed vim-gnome and installed vim-gtk and it works fine.
I was seeing this in 14.04. But I only had vim-gnome installed. Removing vim-gnome and installing vim-gtk works without any error messages.
sudo apt-get -y remove vim-gnome
sudo apt-get install vim-gtk
For solving this, I added an alias to run gvim with all stderr messages discarded.
Just add the following line to your .bashrc
file:
alias gvim="gvim 2>/dev/null"
I hate these types of errors and warnings when the program I'm using is beyond my control and it prints a lot of these which distract me from what I'm doing.