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Workshop Mods Not Downloading - Unturned Wiki

Unturned Guide • Updated Jan 6, 2026

Fix Unturned Workshop Mods Not Downloading

Workshop mods are essential for customizing your Unturned server, but sometimes they fail to download or install properly. This guide covers the most common workshop mod issues and their solutions.

Common Workshop Mod Errors

Asset Bundle Version Mismatch

Server and client have different mod versions

Asset Bundle Error: X of Y installed

Incomplete mod download or corrupted files

Workshop folder accumulation

"Ghost mods" that load but aren't subscribed

Solution 1: Force Update and Repair

Following recent Unturned updates, the easiest fix is often built into the game:

  1. Launch Unturned
  2. Go to the Workshop section
  3. Click "Force Update Check and Repair Files"
  4. Wait for the process to complete
  5. Restart your server

Solution 2: Clear Workshop Cache (Complete Reset)

Warning: This will remove all workshop mods. You'll need to re-download them.

  1. Close Unturned completely - this is critical as mods load into RAM
  2. Navigate to your Steam workshop folder:
    C:\Program Files (x86)\Steam\steamapps\workshop\content\304930
  3. Delete all folders inside (but keep the 304930 folder)
  4. Go to Steam\steamapps\workshop
  5. Delete any appworkshop_304930.acf files (including .tmp files)
    Important: Do NOT delete appmanifest_304930.acf
  6. Restart Steam
  7. Verify Unturned's integrity: Right-click Unturned → Properties → Local Files → Verify Integrity

Solution 3: Server-Side Workshop Issues

If mods aren't downloading on your dedicated server:

Check WorkshopDownloadConfig.json

  1. Stop your server
  2. Navigate to Servers/YourServerName/WorkshopDownloadConfig.json
  3. Verify the format is correct:
{
    "File_IDs": [123456789, 987654321],
    "Priority": 0
}

Regenerate Workshop Folder

  1. Stop your server
  2. Delete the entire Workshop folder in your server directory
  3. Restart the server - it will automatically re-download mods

Troubleshooting Specific Errors

Error Message The Fix
Client and server have different assetsEnsure both server and players have the same mod versions. Server owner should restart to trigger updates.
Mod not loading on serverCheck that the Workshop ID is correctly entered in WorkshopDownloadConfig.json
Workshop download stuckClear the workshop cache as described in Solution 2
"Ghost mods" appearingClear the workshop folder to remove unsubscribed mods that are still loading

Preventing Future Issues

  • Always close Unturned before modifying workshop files
  • Keep your server and client mods updated simultaneously
  • Use mod collections to ensure all players have the same mods
  • Regularly clear workshop cache if you experiment with many mods

Pro Tip: For server owners, consider using a mod manager plugin that can automatically update mods and handle version conflicts. This reduces manual troubleshooting significantly.

Keep your Unturned server running smoothly with properly configured workshop mods and regular maintenance.

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