Ui Error 27393 Black Ops 3 May 2026

Background software (RGB controllers, recording software, MSI Afterburner) can hook into blackops3.exe and corrupt UI calls.

This is the golden fix. Steam will compare your local files against the master version and redownload any corrupted UI assets.

Work through these solutions in order. Most players solve this with step one or two.

Before you reinstall the 100GB+ game, try these fixes in order. ui error 27393 black ops 3

Try these in order. Solution #1 fixes 80% of cases.

UI Error 27393 in Black Ops 3 is annoying but rarely fatal. In 95% of cases, it is resolved by verifying game files and clearing the shader cache. For the remaining 5%, disabling overlays or lowering texture quality does the trick.

Treyarch may never release another patch for Black Ops 3, but that does not mean you have to live with this error. Follow this guide, and you will be back to slaying zombies or dominating in Nuk3town within the hour. Author’s note: This guide was last tested on

Still stuck? Leave a comment below with your GPU model, Windows version, and exactly when the error appears (launch vs. mid-game). We will help you debug further.

Author’s note: This guide was last tested on Windows 11 (24H2) with an NVIDIA RTX 3060 and an AMD RX 6800. The solutions remain valid as of early 2026.

Overlays inject code into the game’s UI process. This injection can trigger memory address conflicts, resulting in error 27393. After disabling all overlays, restart your PC and

Disable these overlays temporarily:

After disabling all overlays, restart your PC and test Black Ops 3. If the error disappears, re-enable overlays one by one to find the culprit.