CITMTA & CIT FixCIT Tools

MTA:SA launcher code

MTA:SA error CL01

An installation step failed while MTA was setting itself up.

Code
CL01
Where you see it
The MTA launcher, before the game opens
MTA's own wording
Installation task failed
Family
CL codes

What it means

CL codes come from MTA's launcher, before the game starts: installing an update, finding GTA, loading MTA's own files or starting gta_sa.exe. MTA's own documentation gives this code as Installation task failed.

How to fix it

Work down the list and stop when it is solved.

  1. Repair your MTA installation

    Run the current installer from multitheftauto.com over your existing installation. It replaces MTA's own files without touching your settings.

  2. Run the installer as administrator

    Right click the MTA installer and choose Run as administrator, so it can write to its own folder.

Still stuck? The Fix tool reads MTA's own log on your computer and points at the matching steps. Nothing is uploaded.

Open the Fix tool

Other CL codes

Where this comes from

Official Error Codes catalog; historical entries retained and installed-release applicability unverified.

Meanings read from these sources on 5 September 2026 and written in our own words here.