Software⏱️ 3 min read📅 2026-06-19

How to Fix: Windows 7 x64 Out of Memory Error - With over 1GB still available

Windows 7 x64 Out of Memory Error - With over 1GB still available

Quick Answer: Check for any resource-intensive background processes running during game usage and consider closing them to free up memory.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🛠️ Step-by-Step Verified Fixes
  3. 🎯 Final Words

Windows 7 x64 users are experiencing an 'Out of Memory' error with games in fullscreen windowed mode, despite having over 1GB of available memory. This issue can be frustrating, especially when playing resource-intensive games like Arma 3 and BF4.

In this troubleshooting guide, we will explore the possible root causes of this error and provide steps to resolve it.

🛑 Root Causes of the Error

  • The primary reason for this error is that Windows 7's memory management system may not be optimized for 64-bit applications. This can lead to issues with memory allocation and deallocation, causing the 'Out of Memory' error.
  • Another possible cause could be a conflict between the game and other running programs, which may be consuming more memory than expected.

🛠️ Step-by-Step Verified Fixes

Disabling Visual Effects

  1. Step 1: Step 1: Open the System Properties window by right-clicking on an empty area of the desktop and selecting 'System'. Click on 'Advanced system settings' on the left side.
  2. Step 2: Step 2: In the System Properties window, click on the 'Performance' tab. Click on the 'Settings' button next to 'Visual effects'.
  3. Step 3: Step 3: In the Visual Effects Settings window, uncheck all the boxes except for 'Enhanced console', 'Improved graphics', and 'Automatic'. Click 'OK' to save the changes.

Updating Graphics Drivers

  1. Step 1: Step 1: Open the Device Manager by pressing the Windows key + X and selecting 'Device Manager'. Expand the 'Display adapters' section.
  2. Step 2: Step 2: Right-click on your graphics card driver and select 'Update driver'. Click on 'Search automatically for updated driver software'.
  3. Step 3: Step 3: If an update is available, follow the prompts to install the updated driver. Restart your computer after installation.

🎯 Final Words

To resolve the Windows 7 x64 'Out of Memory' error with games, try disabling Visual Effects, updating graphics drivers, or closing unnecessary programs. If none of these steps work, consider reinstalling Windows or seeking further assistance from a technical support specialist.

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