COD:MW3 error Couldn't load image "hud_weaponmode_full"

Apr 15, 2018
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I bought Call of Duty Modern Warfare 3 on Steam about a year ago and played it twice, there was no issue. To free some space, I deleted it, since I wasn't playing the Single Player on a daily basis. Now I wanted to play the campaign again so I installed it, but when I opened it almost 1 second after launch it gave me that error, Couldn't load image "hud_weaponmode_full", and shut down the game.