Problem with lauching Arma 2 and Arma 2: Operation Arrowhead

[i got a problem 0]

Hello.

For some weeks ago i bought Arma 2, and Arma 2: Operation Arrowhead, and i had a problem i fixed, but after that i didn't lauched it. then my friend asked me about i would like to play dayz with him, and i said yea. so i started to install it again, after that actually tonight we tried to lauch it, and it says some errors:

Arma 2

Data file too short 'addons/dubbling.pbo'. Expected 1092528237, got 909639680 B

Arma 2: Operations arrowhead

Data file too short 'c:/program files

(x86)/steam/steamapps/common/arma 2/addons/dubbing.pbo'. Expected 1092528237 B, got 909639680 B

I don't know how to fix this, so please help me.

[bobstefanio 24]

I would suggest verifying file integrity first that will find any problems with the files and resolve them give it a try and let me know what happens.

Edited August 26, 2012 by bobstefanio

[chipdemon@yahoo.com 57]

http://forums.bistudio.com/showthread.php?112040-Solved-Data-File-too-short-issue!

If it doesn't seem to work afterwards, restart your pc and load steam up as an admin again and see if it does an update.

Good luck!

[i got a problem 0]

Hello guys, i tired both thing, and now it says: ''ArmA 2 has stopped working''

[i got a problem 0]

Same with AO.. This is annoying -.-