Comment 22 for bug 523949

I downloaded the binaries and move them to "/var/cache/apt/archives", but I couldn't downgrade.
I still get the:
....
Provides:
2.19.5-1ubuntu3 -

Using:

sudo apt-get install gtk2-engines-pixbuf=2.19.5-1ubuntu2

I get:

E: Version '2.19.5-1ubuntu2' for 'gtk2-engines-pixbuf' was not found