Work through these solutions in order. Most players solve this with step one or two.
UI Error 27393 Call of Duty: Black Ops III is a generic interface glitch that typically occurs during lobby transitions or when attempting to customize characters and weapons. While specific numbers like "27393" often vary by session,
in Call of Duty: Black Ops 3 is typically triggered when players attempt to change their class while in a multiplayer match . This error is often linked to corrupted custom mods, mod menus, or glitches involving weapon blueprints. Potential Fixes ui error 27393 black ops 3
If the error occurs immediately upon pulling up the Barracks or checking game menus on PC, the profile data is likely corrupted. Community discussions in the Black Ops 3 Reddit Community have confirmed that wiping the multiplayer tier sync stops the script loop. Navigate to the Multiplayer menu. Enter your . Select the Fresh Start option in the bottom corner.
Unsubscribe from any mods you downloaded right before the UI error started appearing. Work through these solutions in order
Go to the tab and click Verify integrity of game files . Once completed, restart Steam and launch the game. 4. Clear Temporary Data/Restart Session If the error occurs after finishing a match:
Many players, especially in 2025 and 2026, have found that simply unplugging their second monitor fixes the error immediately. While specific numbers like "27393" often vary by
Before diving into solutions, it's helpful to understand what you're up against. The UI Error 27393 is not just one problem but a symptom of several underlying issues. Based on community reports and official support documentation, it generally points to a failure in the game's User Interface (UI) systems. Here’s what usually triggers it:
To help me narrow down the best solution for your specific setup, please share a few more details: What are you using (PC, PS4, PS5, Xbox)?
A bloated or corrupted Steam cache can feed outdated metadata parameters to Black Ops 3.
Following the February 2026 updates, some custom patches or mods may be incompatible with the current game version. Corrupt Saved Data: Corruption in local save files. How to Fix UI Error 27393: Step-by-Step