Rockstar Games Official Game Group

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Xemnas 30. Nov. 2013 um 8:29 Uhr
GTA IV: SecuLauncher: failed to start application [2000]
Everytime I open my GTA IV and sign in to Rockstar Social Club it says:
"SecuLauncher: failed to start application" and so I can't play anymore. Also, how to I change my graphic settings from low???
If you know both please let me know!