, and set it to "Only update this game when I launch it" to prevent Steam from overwriting your downgrade.
: Save files from the "Complete Edition" are not compatible with 1.0.7.0. You can use tools like GTASnP.com to convert your saves.
| Problem | Likely Cause | Solution | |---------|--------------|----------| | Game crashes on launch (error code 0xc0000005) | Missing or incorrect ASI loader | Reinstall Ultimate ASI Loader manually. Delete any old dsound.dll or dinput8.dll and replace with the downgrader’s version. | | "SecuLauncher" error | Leftover DRM files from old patches | Delete securom folder from Documents/Rockstar Games/GTA IV. Also delete paul.dll and lang.ini from game root. | | No audio or crackling | DirectSound emulation issue | Install (DirectSound OpenAL wrapper). Extract dsound.dll and dsound.ini to game folder, edit dsound.ini to set eax=true . | | Game runs very fast/slow | Frame rate tied to physics | Use GPU driver to cap FPS at 59 or 60. Do not use in-game vsync alone. | | Missing text or black menus | Corrupted font files or language issue | Delete fonts.dat and fonts_r.dat from common\text and verify integrity via downgrader’s repair option. | | Social Club login loop | Remnants of Rockstar Launcher | Delete Social Club folder from Documents. Block GTAIV.exe from accessing internet via firewall (optional but helps). |
: The majority of classic script mods, such as the LCPDFR police mod and various Zolika patches, were built specifically for this version.
: Existing "Complete Edition" save files are not compatible with version 1.0.7.0. You may need to use a Save Downgrader or start a new game. Essential Post-Downgrade Fixes
Note: Your old "Complete Edition" saves will not work with 1.0.7.0. You will need to start a new game or find a 1.0.7.0 save file online. 4. Install Essential Fixes
: To fix the infamous "out of video memory" error on modern GPUs, add -availablevidmem 4096 (or higher) to a commandline.txt file in your game directory. : Once on 1.0.7.0, you can safely install Fusion Fix Various Fixes
, and set it to "Only update this game when I launch it" to prevent Steam from overwriting your downgrade.
: Save files from the "Complete Edition" are not compatible with 1.0.7.0. You can use tools like GTASnP.com to convert your saves. downgrade gta iv to 1070
| Problem | Likely Cause | Solution | |---------|--------------|----------| | Game crashes on launch (error code 0xc0000005) | Missing or incorrect ASI loader | Reinstall Ultimate ASI Loader manually. Delete any old dsound.dll or dinput8.dll and replace with the downgrader’s version. | | "SecuLauncher" error | Leftover DRM files from old patches | Delete securom folder from Documents/Rockstar Games/GTA IV. Also delete paul.dll and lang.ini from game root. | | No audio or crackling | DirectSound emulation issue | Install (DirectSound OpenAL wrapper). Extract dsound.dll and dsound.ini to game folder, edit dsound.ini to set eax=true . | | Game runs very fast/slow | Frame rate tied to physics | Use GPU driver to cap FPS at 59 or 60. Do not use in-game vsync alone. | | Missing text or black menus | Corrupted font files or language issue | Delete fonts.dat and fonts_r.dat from common\text and verify integrity via downgrader’s repair option. | | Social Club login loop | Remnants of Rockstar Launcher | Delete Social Club folder from Documents. Block GTAIV.exe from accessing internet via firewall (optional but helps). | , and set it to "Only update this
: The majority of classic script mods, such as the LCPDFR police mod and various Zolika patches, were built specifically for this version. | Problem | Likely Cause | Solution |
: Existing "Complete Edition" save files are not compatible with version 1.0.7.0. You may need to use a Save Downgrader or start a new game. Essential Post-Downgrade Fixes
Note: Your old "Complete Edition" saves will not work with 1.0.7.0. You will need to start a new game or find a 1.0.7.0 save file online. 4. Install Essential Fixes
: To fix the infamous "out of video memory" error on modern GPUs, add -availablevidmem 4096 (or higher) to a commandline.txt file in your game directory. : Once on 1.0.7.0, you can safely install Fusion Fix Various Fixes