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Pagefile Configuration

If you're running Fallout Anomaly on a system with 16 GB of RAM or less, setting a custom pagefile on the same drive as the game can significantly improve stability and reduce crashes caused by memory limitations—especially when using large modlists.

To make this process easier, we've created an automated batch script that handles everything for you.

Script Information

How to Use

  1. Download the script:
    Click here to download

  2. Right-click the downloaded file and select “Run as Administrator.”

  3. When prompted, enter the drive letter where Fallout Anomaly is installed.

  4. The script will automatically calculate and apply a recommended pagefile size based on your system’s RAM.

  5. Type Y and press Enter to restart your computer and apply the changes.

Properly configuring your pagefile helps prevent crashes and improves performance, especially on systems with limited RAM running heavily modded builds of Fallout Anomaly.

Manual Configuration Instructions

If you prefer to set the pagefile manually, follow these steps:

  1. Press Windows + R to open the Run dialog box.
  2. Type sysdm.cpl and press Enter to open System Properties.
  3. Go to the Advanced tab.
  4. Under Performance, click Settings.
  5. In the Performance Options window, select the Advanced tab.
  6. Under Virtual Memory, click Change.
  7. Uncheck “Automatically manage paging file size for all drives.”
  8. Select the drive where Fallout Anomaly is installed.
  9. Choose Custom size, and set both values the same using the 1.5× RAM rule:

Pagefile Size Formula

Pagefile Size (MB) = RAM (GB) × 1024 × 1.5

Set both the Initial and Maximum size to this value.

Examples

If you have 16 GB of RAM:

  1. Convert to megabytes:
    16 × 1024 = 16,384 MB

  2. Multiply by 1.5:
    16,384 × 1.5 = 24,576 MB

Set Initial size = 24576
Set Maximum size = 24576

If you have 32 GB of RAM:

  1. Convert to megabytes:
    32 × 1024 = 32,768 MB

  2. Multiply by 1.5:
    32,768 × 1.5 = 49,152 MB

Set Initial size = 49152
Set Maximum size = 49152

  1. Click Set, then click OK on all windows to apply the changes.
  2. Restart your computer for the settings to take effect.

Why This Matters

Large modlists can push Fallout 4 beyond its memory limits, especially on systems with 16 GB or less RAM. Setting a fixed-size custom pagefile helps avoid memory-related crashes and improves overall performance and stability.

Visual Guide

Step 1
Step 2
Step 3

Important: Reboot your PC after applying the changes.