Fallout 4 Crashing on Startup? Try These Methods

Jun. 18, 2025 / Updated by Seraphina to Gaming Solutions

fallout-4-crashing-on-startup-methods

Many Fallout 4 players encounter crashing issues when launching the game, preventing them from entering and affecting their overall experience.

This article will explore the common causes of Fallout 4 startup crashes and provide a range of practical solutions to help you get the game running smoothly again.

**I. Common Causes of Fallout 4 Crashing on Startup**

Corrupted or Missing Game Files:

If core game files are damaged or missing, the game may fail to start properly.

Outdated or Incompatible Graphics Drivers:

Old or mismatched graphics drivers can cause compatibility issues that lead to crashes.

System Conflicts with the Game:

Recent Windows updates or system settings may conflict with the game, resulting in crashes.

Conflicting or Faulty Mods:

Using unstable or incompatible mods can easily cause the game to crash.

Interference from Background Applications:

Antivirus programs, firewalls, or other software may block the game from launching properly.

**II. How to Fix Fallout 4 Startup Crashes**

Method 1: Verify Game File Integrity (Steam)

Open the Steam client.

Go to "Library", right-click Fallout 4, and select "Properties".

Under the "Local Files" tab, click "Verify integrity of game files".

verify-game-file-integrity

Steam will automatically detect and repair missing or corrupted files.

Method 2: Update Graphics Drivers

Keeping your graphics driver up to date is essential for smooth gameplay. If you're not familiar with manual updates, try using a driver management tool like Driver Talent:

Download Driver Talent

Download and install the latest version of Driver Talent.

Launch the tool and click "Scan".

Find the graphics driver in the results list and click "Update".

driver-update

After the update, restart your computer to apply changes.

Method 3: Disable or Uninstall Conflicting Mods

Disable all installed mods and try launching the game.
If it runs successfully, re-enable mods one by one to identify the problematic one.
Ensure mods are compatible with your game version and avoid unstable ones.

Method 4: Run the Game as Administrator

Locate your Fallout 4 shortcut on the desktop.

Right-click it and select "Properties".

Go to the "Compatibility" tab and check "Run this program as administrator".

run-the-game-as-administrator

Click "Apply" and "OK", then try launching the game.

Method 5: Adjust Launch Options

Open Steam, go to your "Library".

Right-click Fallout 4, select "Properties", and click "Set Launch Options".

Enter parameters like "-windowed" or "-safe" to launch the game in windowed or safe mode.

adjust-launch-options

Method 6: Disable Firewall or Security Software

Press Win + R, type "firewall.cplr", and press Enter.
Click "Turn Windows Defender Firewall on or off".
Select "Turn off Windows Defender Firewall (not recommended)" and test the game.
If successful, add Steam and Fallout 4 as exceptions, then re-enable the firewall.

Method 7: Check for Windows Updates

Click the Start Menu > Settings > Update & Security > Windows Update.

Click "Check for updates".

check-for-updates

If updates are available, download and install them.

Restart your PC and try launching the game again.

Method 8: Manage Background Applications

Press Ctrl + Shift + Esc to open Task Manager.

In the "Processes" tab, locate and close resource-heavy apps (like browsers, office tools, or screen recorders).

Right-click the unnecessary process and choose "End Task".

III. Additional Tips

Clear Game Cache: Deleting cache files in the installation folder may help prevent data corruption.
Reinstall the Game: If none of the methods work, consider uninstalling and reinstalling Fallout 4.