MW2 update fail!

[rippedoff]

i started steam this morning and it started to download a 150mb update, when it finished i tested the game, and now it starts but minimises it and if i cliclk on the tab it starts to open then kicks out, with it on and working and the sound on the background but cant select the game, useless

 

[Monkey101]

Run the local cache integrity check from steam. (not sure of its name)

 

[Acid0]

I have no problem just restart steam completely.

The update was to install the new map pack on your machine and a few tweaks to the GUI