Im having a similar issue, but my error codes / gtav launcher notepad error.
What happened was that i was installing some new cars and when i went to launch gta it had a 1.9GB update, and after that it wouldn't launch. ive tried everything i can think of and everything ive seen on forums. any help you be amazing!
THESE ARE THE LAST SET OF ERROR CODES IT GAVE ME
[2017-04-12 21:44:03.944] [DISPLAY] C:\Users\MYPC~1\AppData\Local\Temp\GTA_V_Patch_1_0_1032_1.exe () of SKU . Exit code was 0.
[2017-04-12 21:44:04.023] [DISPLAY] File version 10000:4080001 (for C:\Grand Theft Auto V\GTA5.exe)
[2017-04-12 21:44:04.146] [DISPLAY] File version 10002:10004 (for C:\Program Files\Rockstar Games\Social Club\socialclub.dll)
[2017-04-12 21:44:04.256] [DISPLAY] File version 10000:3f30001 (for C:\Grand Theft Auto V\GTAVLauncher.exe)
[2017-04-12 21:44:04.301] [DISPLAY] Version: 1.0.231.0|1.0.1032.1|1.2.1.4|1.0.1011.1|FFP
[2017-04-12 21:44:04.399] [DISPLAY] File version 10000:4080001 (for C:\Grand Theft Auto V\GTA5.exe)
[2017-04-12 21:44:21.143] [DISPLAY] Launching game...
[2017-04-12 21:44:21.152] [DISPLAY] (path: C:\Grand Theft Auto V\GTA5.exe cmdline: "C:\Grand Theft Auto V\GTA5.exe")
[2017-04-12 21:44:43.631] [ ERROR ] HRESULT failed when doing m_device->Present(NULL, NULL, NULL, NULL) : 88760868
[2017-04-12 21:44:43.632] [WARNING] Device lost.
[2017-04-12 21:44:43.632] [WARNING] Resetting device...
[2017-04-12 21:44:44.198] [WARNING] Reset failed with D3DERR_DEVICELOST.
[2017-04-12 21:46:14.114] [WARNING] Resetting device...
[2017-04-12 21:46:14.289] [ ERROR ] GameComm: ReadFile failed.
[2017-04-12 21:46:14.394] [DISPLAY] Game exited with code 0xff
[2017-04-12 21:46:14.394] [ ERROR ] Unable to stat out-file!
[2017-04-12 21:46:14.399] [ ERROR ] ************************************************************************
[2017-04-12 21:46:14.399] [ ERROR ] * Setting error condition
[2017-04-12 21:46:14.399] [ ERROR ] * Category: 1 (ERROR_CATEGORY_LAUNCHER)
[2017-04-12 21:46:14.400] [ ERROR ] * Code: 107 (LAUNCHER_ERR_GAME_CRASHED)
[2017-04-12 21:46:14.400] [ ERROR ] * Extra:
[2017-04-12 21:46:14.400] [ ERROR ] * Localised: Launcher error. Code: 107
[2017-04-12 21:46:14.400] [ ERROR ] ************************************************************************
[2017-04-12 21:46:14.404] [ ERROR ] Unable to read out-file!
[2017-04-12 21:46:14.409] [ ERROR ] ************************************************************************
[2017-04-12 21:46:14.409] [ ERROR ] * Setting error condition
[2017-04-12 21:46:14.410] [ ERROR ] * Category: 5 (ERROR_CATEGORY_EXIT_CODE)
[2017-04-12 21:46:14.411] [ ERROR ] * Code: 255 (ff)
[2017-04-12 21:46:14.411] [ ERROR ] * Extra:
[2017-04-12 21:46:14.411] [ ERROR ] * Localised: Grand Theft Auto V exited unexpectedly.
Please click Retry below to enter the game again, or click Safe Mode to launch the game with reduced graphics settings.
If you continue to have problems playing the game, please contact Rockstar Games Customer Service at http://support.rockstargames.com
[2017-04-12 21:46:14.411] [ ERROR ] ************************************************************************
[2017-04-12 21:46:14.473] [ ERROR ] Exit code 0xff indicates a game crash (unknown cause)
[2017-04-12 21:46:14.507] [ ERROR ] Unable to clear in-file and out-file!
[2017-04-12 21:46:14.707] [DISPLAY] Reset succeeded.