Valve games don't work.

[urmum12]

Every time I want to start a game made by Valve I have to verify the integrity of game files.Please help.

 

[Colif]

Is it csgo? one lot of advice is to reinstall the game

Check the health of hdd using HDTune and look on the health tab.

hints from: http://steamcommunity.com/app/730/discussions/0/864977025649787705/