Member Avatar for jeannot

Hi,

I have a problem with GTA IV it runs very slow.

My specs are:

AMD Athlon II X4 645 @ 3.1 Ghz
AMD Radeon HD 5770 Flex edition from Sapphire
4 Gig of DDR2-800 Ram
Windows 7 Ultimate 32 Bit

I run every game at max settings, only GTA IV runs on the lowest settings very slow.

Gr Jeannot

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  • Latest Post Latest Post by Deffard601

Dani AI

Generated

Actionable checklist and safe fixes for GTA IV running very slow on Windows 7 (32‑bit) — targeted to the setup described by and building on points raised by , and . The approach: identify the real bottleneck first, repair any broken install services, then apply targeted tweaks rather than blind “max settings” changes.

Start by identifying the bottleneck

  • Run Task Manager (Ctrl+Shift+Esc) and a lightweight hardware overlay (MSI Afterburner or GPU‑Z + HWMonitor) while the game runs. Note per‑core CPU load, overall GPU utilization, disk activity and memory use.
  • Typical interpretations: one CPU core pegged and low GPU = CPU limitation; high GPU usage = GPU limit; high disk activity = streaming or HDD bottleneck; memory near full = swap/stutter. Those readings guide which fix to try first.

Repairing the broken install / inability to reinstall

  • Back up saved profiles from My Documents\Rockstar Games\GTA IV\Profiles before touching anything.
  • Run the installer as Administrator and temporarily stop real‑time protection. If uninstall/repair still fails, re-register Windows Installer and run basic system checks:
msiexec /unregister
msiexec /regserver
sfc /scannow
chkdsk /f C:
  • If Windows still won’t uninstall the game, use Microsoft’s Program Install and Uninstall troubleshooter or remove leftover game folders and launcher entries only after backing up saves.

Safe tweaks that often help

  • Use a clean boot (msconfig: Selective startup, hide Microsoft services, disable the rest) to rule out background software.
  • Update the Radeon driver to a stable release, install DirectX and Visual C++ runtimes from the game media, and set Windows power plan to High Performance.
  • In GTA IV reduce view distance, shadow/detail/reflection settings and disable post‑processing effects before lowering everything else.

Collect useful logs for deeper diagnostics

  • Save a dxdiag text file, a short Event Viewer Application log, and a screenshot of Task Manager + the hardware overlay. Keep saved games backed up whenever modifying or reinstalling the game.

Recommended Answers

All 7 Replies

Member Avatar for flagstar

If other games run just fine, it could be that GTA IV has much higher specs to follow or it could be that the game was modded... Check your game installation again whether it was modified and check it's minimum and optimal requirements.

Member Avatar for jingda

Also check your Antivirus software or other security tools. They may be scanning GTA as you play so it may cause the game to be slow. If your AV is scanning the game, list GTA IV as a trusted application so it won't be scan.

Member Avatar for jeannot

thanks for the reactions, with can you run it from systemrequirmentslab I get Recommended,

I wil check my AV.

Member Avatar for Member #897610

ReInstall dear

Member Avatar for jeannot

The game will not reinstall, Not Deinstall or repair.

Member Avatar for jingda

Ok back to my previous question. Have you check with your antivirus settings? All games can be reinstall and install again, why can't yours be reinstall. Is there an error when you are reinstalling it?

Member Avatar for Deffard601

Go to run, type in "MsConfig" and check your startup(Check your services too). I always run everything in the highest details too. When I downloaded DnD online, I couldn't run it in max without lag. Went into startup and services and took a bunch of things out. Even though you may close some things that pop up during start up, there's still applications running, even the same ones you closed.

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