Fix MW3 Disc read error [8.7]: ww_mp_jup_bigmap.ff

How to Fix Modern Warfare 3 Disc read error [8.7]: ww_mp_jup_bigmap.ff

By Angel Marquez | 2023-12-21 05:56:45
Discover effective methods to How to Fix Modern Warfare 3 Disc read error [8.7]: ww_mp_jup_bigmap.ff.

Modern Warfare 3 is one of the most popular first-person shooter games out there. The game has an extensive storyline, fantastic graphics, and some of the most realistic gameplay mechanics. However, like any other game, it also has its fair share of bugs and issues. One such problem is the "Disc read error [8.7]: ww_mp_jup_bigmap.ff" error.If you're reading this blog, you probably encountered this error while playing Modern Warfare 3. But don't worry - we're here to help! In this article, we'll provide you with some easy-to-follow steps to fix this issue and get back to playing your game.

How to Fix Modern Warfare 3 Disc read error [8.7]: ww_mp_jup_bigmap.ff


Repair missing or corrupted game files through Steam


The first step in fixing the "Disc read error [8.7]: ww_mp_jup_bigmap.ff" error is to check if there are any missing or corrupted game files. To do this, you need to use Steam's built-in game file verification tool. Here's how to do it:
  • Step 1: Open Steam and navigate to your game library.
  • Step 2: Right-click on Modern Warfare 3 and select "Properties."
  • Step 3: Click on the "Local Files" tab and select "Verify Integrity of Game Files."
  • Step 4: Steam will now scan your installed files for any discrepancies and automatically replace or repair any damaged components.
  • Step 5: Once the verification is complete, launch MW3 and check if the error is resolved.

Run MW3 as an administrator



Sometimes, system permissions can interfere with game files and cause errors like the "Disc read error [8.7]: ww_mp_jup_bigmap.ff." Running the game as an administrator can help bypass potential system limitations and avoid this issue. Here's how you can run MW3 as an administrator:

  • Step 1: Right-click on the MW3 executable file and select "Properties."
  • Step 2: Click on the "Compatibility" tab and check the box that says "Run this program as an administrator."
  • Step 3: Click "Apply" and then "OK" to save your changes.
  • Step 4: Launch MW3 and check if the error is resolved.

If the error persists, make sure to allow MW3 through your firewall settings to prevent interference.

Update the game


Outdated software can lead to compatibility issues or bugs that may trigger errors like the "Disc read error [8.7]: ww_mp_jup_bigmap.ff." Check for recent updates and allow them to fully download and install before relaunching the game. Here's how to update MW3:

  • Step 1: Open your Steam client and navigate to your game library.
  • Step 2: Right-click on Modern Warfare 3 and select "Properties."
  • Step 3: Click on the "Updates" tab and select "Always keep this game up to date."
  • Step 4: Steam will now automatically download and install any available updates for MW3.
  • Step 5: Once the updates are installed, launch MW3 and check if the error is resolved.

Run MW3 in Safe Mode


If the above steps don't work, you can try running MW3 in Safe Mode to troubleshoot potential conflicts or issues with other applications. Here's how to do it:

  • Step 1: Press the Win + R keys to open the Run dialog box.
  • Step 2: Type "msconfig" and press Enter to open the System Configuration tool.
  • Step 3: Click on the "Boot" tab and check the box that says "Safe boot."
  • Step 4: Select "Minimal" and click "OK" to save your changes.
  • Step 5: Restart your computer, and it will boot in Safe Mode.
  • Step 6: Launch MW3 and check if the error is resolved.
  • Step 7: Once the error is resolved, restart your computer again and open the System Configuration tool.
  • Step 8: Uncheck the "Safe boot" option and select "Normal boot."
  • Step 9: Click "OK" to save your changes and restart your computer.

If you have both MW3 and Warzone installed on your computer, performing a reinstallation may be necessary for optimal results.



In conclusion, the "Disc read error [8.7]: ww_mp_jup_bigmap.ff" error can be frustrating, but it's not the end of the world. By following the tips we've provided, you should be able to fix the issue and get back to playing Modern Warfare 3. Remember to stay calm and be patient - these things can take time! If you need further assistance, don't hesitate to reach out to the game's support team or online community. Happy gaming!
Tags: MW3, call of duty, Campaign Mode, Multiplayer Maps, Special Ops, Killstreak Rewards, Weapon Loadouts, Perks and Attachme
Platform(s): PlayStation 5 PS5 PlayStation 4 PS4, Xbox Series X|S, Xbox One, PC
Genre(s): First-person shooter
Developer(s): Sledgehammer Games, Treyarch, Infinity Ward, Beenox, Raven Software, High Moon Studios, Demonware
Publisher(s): Activision
Release date: 2023
Mode: Single-player, multiplayer
Age rating (PEGI): 18+
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