UI Error 27393 in Call of Duty: Black Ops 3 is a common interface glitch that typically occurs when the game’s local UI files become desynced from the online servers. It often prevents players from accessing the main menu or starting matches. What is UI Error 27393?
This error is essentially a communication breakdown between your game client and the Activision servers. It is most frequently triggered by:
Corrupted Cache: Temporary files that conflict with new updates.
Incomplete Updates: The game version doesn’t match the server’s required version.
Custom Content: Modded maps or skins in the Steam Workshop causing script errors. Quick Fixes to Get Back Online 1. The "Wait and Sync" Method
Before clicking anything, stay on the "Press Start" screen for 1–2 minutes. This allows the game to download the latest "Live Data" (indicated by the version number in the top right corner changing) before you enter the menus. 2. Clear Your System Cache
Console (Xbox/PlayStation): Turn off the console, unplug the power cord for 30 seconds, and restart.
PC: Verify the integrity of game files via the Steam Library. 3. Check Steam Workshop Mods
If you play on PC, certain custom Zombie maps or mods can trigger UI errors. Unsubscribe from recently added mods. Disable "User Generated Content" in the game settings. Advanced Troubleshooting
If the basic steps fail, try these more aggressive solutions:
Delete the 'LPC' Folder: On PC, navigate to the game’s install directory and delete the LPC folder. The game will re-download clean UI data upon the next launch. ui error 27393 black ops 3
Network Refresh: Power cycle your router. A "Strict" or "Moderate" NAT type can sometimes interfere with UI data packets. Check your connection status on the Activision Support Page.
Reinstall the Game: As a last resort, a fresh installation ensures no corrupted assets remain in the "Players" or "Zone" folders.
💡 Pro Tip: Always ensure your game version number (top right of the title screen) matches the latest version listed on Call of Duty Community Forums before trying to join a lobby. If you'd like more specific help, let me know: What platform are you playing on? Does it happen in Zombies or Multiplayer? Did it start after installing a specific mod?
The UI error 27393 in Call of Duty: Black Ops 3 is a frustrating interface glitch that typically appears when players attempt to change classes mid-match or interact with specific menus during gameplay. This error often results in the user interface disappearing or freezing, forcing a complete application restart to restore functionality. Primary Causes of UI Error 27393
While Treyarch hasn't officially detailed every numeric UI code, community troubleshooting has linked error 27393 and its variants to several common triggers:
Corrupted Custom Mods/Blueprints: Using mismatched attachments or "fake blueprints" created through glitches can trigger UI errors when the game attempts to load the weapon's interface.
Mod Menu Instability: For players using community-made mods or clients (like T7x or boiii), setting levels (especially Zombies levels or Prestige 11) to unstable values frequently causes UI crashes when the pause menu is accessed.
Outdated Game Binaries: Recent updates to the Steam version of Black Ops 3 have broken many legacy mods, leading to interface instability for users running older community patches. How to Fix UI Error 27393
If you are encountering this error, try the following solutions based on your specific situation: 1. Reset Modified Levels
If the error occurs while playing Zombies or after using a mod manager, your level data may be unstable. UI Error 27393 in Call of Duty: Black
Zombies Level Reset: Many users found that resetting their Zombies level to 0 or standard Master Prestige fixed the UI freezing issues.
Mod Menu Slider Adjustment: If using a mod menu, open it (usually F5), slide all values down to 0, and select "Send All" before attempting to pause the game. 2. Clean Up Weapon Blueprints If the error happens specifically when selecting a class:
Delete Problematic Mods: Use the Gunsmith to identify which custom mod causes the UI to hang.
Blueprint Lobby Glitch Fix: Some advanced fixes involve using a blueprint lobby glitch to access and delete the "invisible" or corrupted weapon mod causing the interface conflict. 3. Standard PC Optimization
For general UI stability, ensure your game environment is optimized:
UI Error 27393 in Call of Duty: Black Ops 3 is typically caused by a corruption in your stored player data or local game cache, often triggered after an update or when switching between online and offline modes. Recommended Fixes Clear the Game Cache (Console/PC):
Consoles: Completely shut down your console and unplug the power cable for at least 30 seconds to clear the system cache.
Steam: Right-click Black Ops 3 in your library > Properties > Installed Files > Verify integrity of game files. This replaces any missing or corrupted UI assets. The "Local Play" Reset:
Launch the game and stay on the main menu (press any button screen).
Disconnect your internet or switch Steam/your console to Offline Mode. Enter Local Play. Common Symptoms
Navigate through the menus (Zombies or Multiplayer) for a minute, then back out to the main menu.
Reconnect to the internet and attempt to go online. This often forces the UI to reload correctly. Delete "Saved Data" (Console):
Go to your console's storage settings and delete the Local Saved Data for Black Ops 3. Note: This will not delete your online rank or unlocks (those are stored on Activision servers), but it will reset your local settings and campaign progress. Disable Custom Mods/Patches (PC):
If you are using community tools like the T7 Patch, ensure it is updated or try disabling it briefly to see if the UI error persists. Mod menus are a frequent cause of UI freezes and errors.
Note: If the error occurs specifically when trying to join a friend, have that friend restart their game instance; UI errors are frequently "contagious" in lobby environments.
Are you seeing this error constantly at launch, or does it only trigger when you click on a specific menu like Zombies or the Black Market?
The root causes of UI Error 27393 usually fall into four categories:
ui_mp.ff or ui_zm.ff files because it misreads the rapid file access as suspicious behavior.If you use the Steam Workshop, a zombie map or mod is the culprit.
Steam\steamapps\workshop\content\311210If you have tried all seven fixes above and UI Error 27393 persists, the issue may be deep-seated Windows corruption or a rare mod conflict.
Call of Duty Black Ops III folder in steamapps/common AND the folder in Documents. Then reinstall.Cloud Sync constantly re-downloads the broken settings.