Ui Error 27393 Black Ops 3 May 2026

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

Resetting Progress: In many cases, the UI becomes unstable if account levels are set manually using external tools. Community members on Reddit have noted that resetting a Zombies level back to zero or prestige level one can stabilize the interface. ui error 27393 black ops 3

The persistent appearance of UI Error 27393 in Call of Duty: Black Ops 3 The UI error 27393 in Call of Duty:

to "Verify Integrity of Game Files" to repair corrupted UI assets. : For console players, a full system reboot Corrupted game data : Corrupted or damaged game

If the basic steps fail, try these more aggressive solutions:

Final Thoughts

UI Error 27393 is a classic example of an older PC game breaking due to modern system changes. The error message is vague, but the fixes are straightforward: update drivers, disable overlays, verify files, or tweak the config. In 9 out of 10 cases, a clean driver installation and disabling the Steam overlay will get you back to sliding, wall-running, and slaying Zombies.

Corrupted game data: Corrupted or damaged game files can lead to UI errors.

Outdated game version: Playing an outdated version of the game might cause compatibility issues.

Network connectivity problems: Poor internet connectivity or issues with your network configuration can cause the error.

Insufficient system resources: Low system resources, such as RAM or GPU power, might lead to performance issues and UI errors.

Console or PC issues: Problems with your console or PC, such as overheating, outdated drivers, or firmware issues, can contribute to the error.

Open config.ini (located in the folder above) with Notepad.

Find: WindowMode = "fullscreen" (or "windowed").

Change it to: WindowMode = "windowed" (if crashing in fullscreen).

Save the file and set it to Read-Only (right-click → Properties → Check “Read-only”).

from years ago, claiming the UI would "disappear 99% of the time" leaving them stranded.