I have the problem with Acrobat Reader 9.5.1 & Ubuntu 12.04 LTS 32 bit. Notebook with 1024x600 pixels, Atom processor, 1 GByte RAM.
I don't have the problem with Acrobat Reader 9.5.1 & 12.04 LTS 64 bit. Desktop with 1920x1280 pixels, i7 processor, 8 GByte RAM.
usuari@ubuntu:~$ env | grep MENU
UBUNTU_MENUPROXY=libappmenu.so
I have the problem with Acrobat Reader 9.5.1 & Ubuntu 12.04 LTS 32 bit. Notebook with 1024x600 pixels, Atom processor, 1 GByte RAM.
I don't have the problem with Acrobat Reader 9.5.1 & 12.04 LTS 64 bit. Desktop with 1920x1280 pixels, i7 processor, 8 GByte RAM.
usuari@ubuntu:~$ env | grep MENU MENUPROXY= libappmenu. so
UBUNTU_
at the two systems.