Try reinstalling the game if this persists. Please install latest DirectX runtime or install a compatible DirectX 10 or 11 video card. – No DirectX 10 or 11 adapter or runtime found.Please reboot or reinstall latest DirectX runtime. – Failed to initialize graphics device.Please reboot and make sure the graphics device is functioning correctly. – Please run Grand Theft Auto V using PlayGTAV.exe.Please reboot Steam and Grand Theft Auto V. There are hundreds of other errors too, of which, I’ve highlighted all the errors that require you to REINSTALL the entire game. So the main error code being presented is “ERR_GEN_ZLIB_1/2/3” and is known to affect everyone, but it only seems those that are using Rockstar Launcher are experiencing the most issues. This time in the form of login errors (being the main issue).

So following on from the username character issue we saw earlier today, it seems that another issue has reared its head.