Uninstall GTA IV and Rockstar Social Club, reboot, then reinstall fresh.
This is the crucial step. Navigate to where GTA IV is installed on your computer. gta iv application error 0xc00007b
The cursor blinked on the desktop, a rhythmic, mocking heartbeat. Every time Niko double-clicked that weathered icon, the screen flickered, a momentary lapse into darkness before the cold, gray box of the error message returned. It was a digital purgatory. Uninstall GTA IV and Rockstar Social Club, reboot,
Try these before diving into the deep technical fixes. You might get lucky. the screen flickered