Ui | Error 27393 Black Ops 3

This error is essentially a communication breakdown between your game client and the Activision servers. It is most frequently triggered by:

When launching the game, always give the opening screen a few seconds to load the version numbers before rapidly skipping into the multiplayer lobbies.

Use the blueprint lobby glitch to access the weapon customization screen.

Equip the weapon causing the error in the secondary slot . ui error 27393 black ops 3

This article covers everything you need to know about UI Error 27393 in 2026, including its causes and the most effective fixes for PC, PlayStation, and Xbox. What is UI Error 27393?

Wait 1 to 2 minutes. The version number will change or flash.

Provide support with:

If the error acts as an endless loop as soon as you connect to the online services, you need to force the game to re-download your profile data.

Re-login / remove account token

Overlays inject code into the game’s UI process. This injection can trigger memory address conflicts, resulting in error 27393. This error is essentially a communication breakdown between

: Verify the integrity of game files via the Steam Library. 3. Check Steam Workshop Mods

If the problem continues to occur randomly between matches, check for general file corruption or operating system permission blocks.

While rare, the Steam Overlay can conflict with the Bo3 UI renderer. Equip the weapon causing the error in the secondary slot

Conflicting software can prevent the game from launching its UI. You can identify these conflicts by temporarily disabling non-essential background apps and antivirus software to see if the error resolves. If it does, you can then add the game as an exception.