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MTA:SA fix

MTA terminated due to an integrity violation

Update MTA first, then check for an overlay program or an antivirus block. These steps may help, but the message does not say what caused it.

The message

MTA: San Andreas has been terminated due to an integrity violation

Steps

  1. Update MTA from the official site

    Close MTA. Run the current installer from the official MTA site, then try the same thing again.

    Source: MTA download, MTA forum

  2. Close an overlay program

    Only if an overlay or a program that changes the game, such as RivaTuner or MSI Afterburner, is installed and running.

    Close that program completely, then try MTA again. Test one program at a time. If nothing changes, you can turn the program back on.

    Careful: The message does not prove cheating, and it does not say which program caused it.

    Source: MTA help

  3. Add a Bitdefender exception for the blocked file

    Only if Bitdefender is installed and says it blocked an official MTA or GTA program file that you trust.

    Read the Bitdefender notice to see which file it blocked. In Bitdefender, go to Protection → Advanced Threat Defense → Open → Settings → Manage exceptions → Add an Exception. Choose only that file, turn the exception on for Advanced Threat Defense, and save.

    Careful: Keep protection turned on. Do not exclude a whole game folder, or a file you are not sure about.

    Source: Bitdefender

  4. Try again, and remove the exception if it did not help

    If you added that exception, try the same thing once more. If the problem is the same, remove the exception again in Manage exceptions. If it still happens on the current MTA build, tell MTA support the full message, your MTA build, and whether it happened at launch or on a server.

    Source: Bitdefender, MTA forum, MTA forum

Worth knowing

This message is not the same as the CL29 warning from the launcher. Neither message on its own means your computer has malware or that you did something wrong.

In April 2026 a moderator advised installing an update that was on its way. Players later reported mixed results, so no MTA build is known to fix every case. Going back to an older MTA or turning your antivirus off completely is not advised.

Still not fixed? Copy the whole message, not only the code, and check your log in the Fix tool. It is read on your own computer.

Other problems like this

All fix guides · Every MTA:SA error code · Crash codes and offsets

Where this comes from

MTA moderator discussion (April to June 2026) + Bitdefender guidance

Read on 7 September 2026 and written in our own words here.