Cannot install newest Intel Graphics 1.0.2

[raphael-estrada]

I get an error at 11% when running the graphics installer I obtained from here: https://01.org/linuxgraphics/downloads
The particular installer I chose for Ubuntu x64: https://download.01.org/gfx/ubuntu/1...tel3_amd64.deb

I run it with sudo via the command line and it fails, complaining that it cannot remove libdrm2.

Error screenshot:
http://imagebin.org/268117

Any suggestions?

Edit: system details
Galago UltraPro with Ubuntu 13.04 x64, factory installation after running automatic software updates.

[raphael-estrada]

I solved this. A PGP key for the intel repo was missing in apt.

I noticed this when running "sudo apt-get update", it complained about this key missing: 8D8847D52F4AAA66

On key server:
http://keyserver.ubuntu.com:11371/pk...8847D52F4AAA66

To resolve, I added the key to apt like so:

wget -q "http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=0x8D8847D52F4AAA66" -O- | sudo apt-key add -

After, running the intel installer via sudo went through and after reboot everything is ok.