1. Do you need support for Assetto Corsa Competizione? Please use the proper forum below and ALWAYS zip and attach the WHOLE "Logs" folder in your c:\users\*youruser*\AppData\Local\AC2\Saved. The "AppData" folder is hidden by default, check "Hidden items" in your Windows view properties. If you report a crash, ALWAYS zip and attach the WHOLE "Crashes" folder in the same directory. Do not post "I have the same issue" in an existing thread with a game crash, always open your own thread. Do not PM developers and staff members for personal troubleshooting and support.
  2. As part of our continuous maintenance and improvements to Assetto Corsa Competizione we will be releasing small updates on a regular basis during the esports season which might not go through the usual announcement process detailing the changes until a later version update where these changes will be listed retrospectively.
  3. If ACC doesn't start with an error or the executable is missing, please add your entire Steam directory to the exceptions in your antivirus software, run a Steam integrity check or reinstall the game altogether. Make sure you add the User/Documents/Assetto Corsa Competizione folder to your antivirus/Defender exceptions and exclude it from any file sharing app (GDrive, OneDrive or Dropbox)! The Corsair iCue software is also known to conflict with Input Device initialization, if the game does not start up and you have such devices, please try disabling the iCue software and try again. [file:unknown] [line: 95] secure crt: invalid error is a sign of antivirus interference, while [Pak chunk signing mismatch on chunk] indicates a corrupted installation that requires game file verification.
  4. When reporting an issue with saved games, please always zip and attach your entire User/Documents/Assetto Corsa Competizione/Savegame folder, along with the logs and the crash folder (when reporting related to a crash).
ACC general support Note about silent updates Startup troubleshooting ACC savegame reports

Multiplayer Bugs & Issues

Discussions related to the Multiplayer system.

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  1. pankykapus
    Locked Sticky

    READ HERE How to Use the Support Forums and Report Issues

    pankykapus, Sep 12, 2018
    Replies:
    1
    Views:
    31,515
    pankykapus
    pankykapus
    Jan 3, 2021
  2. AC Support
    Locked Sticky

    This thread, started by AC Support, has been deleted. Deleted by AC Support, Nov 28, 2021, Reason: No longer valid.
    View
  3. paulieGTR
    Locked Sticky

    Before Posting - Read the FAQs and Use Search Function

    paulieGTR, Nov 10, 2013
    Replies:
    1
    Views:
    84,404
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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  2. 6S.Manu
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    WORKAROUND Connection issue: how to solve it by router settings

    6S.Manu, Dec 23, 2014
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    6S.Manu
    6S.Manu
    Dec 23, 2014
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  4. comm-ander

    WORKAROUND Wrong way

    comm-ander, Sep 11, 2015
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    Horus
    Horus
    Sep 11, 2015
  5. Arbuzzz

    WORKAROUND Why there is no option to set up weather for multiplayer?

    Arbuzzz, Mar 14, 2015
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    martcerv
    martcerv
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    WORKAROUND Virtual mirror should be on by default

    ears1991, Dec 23, 2014 ... 2
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    ears1991
    ears1991
    Jan 5, 2015
  7. shambles1980 (again)

    WORKAROUND Track rotation workaround.

    shambles1980 (again), Aug 9, 2015
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    martcerv
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    WORKAROUND Suggestion: Redundant matchmakers

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    prunn
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    6S.Manu
    6S.Manu
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    WORKAROUND Server failing checksum.

    racerx, Oct 22, 2015
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    KirKone
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  11. Squezzer

    WORKAROUND server & client on one machine

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  12. Christobal90

    WORKAROUND Reset to box after crash

    Christobal90, Oct 18, 2014
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    Jaye
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  13. never_eat_yellow_snow1

    WORKAROUND Problems with session changes

    never_eat_yellow_snow1, Aug 10, 2015
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    Darren OBrien
    Darren OBrien
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  14. Arbuzzz

    WORKAROUND Private chat in mp

    Arbuzzz, Oct 3, 2015
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    Arbuzzz
    Arbuzzz
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  15. Jorge Arteaga

    WORKAROUND Possible Fix for Dedicated Servers on 2Wire Routers

    Jorge Arteaga, May 14, 2014
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    Jorge Arteaga
    Jorge Arteaga
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  16. ABernardo

    WORKAROUND Ports: udp, tcp, http?

    ABernardo, Oct 15, 2014 ... 2
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    2hats
    2hats
    Oct 17, 2014
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    WORKAROUND Port forwarding.

    johnnieconcrete, Oct 25, 2015
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    _Fulgore_
    _Fulgore_
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  18. Red Or Dead

    WORKAROUND Ping issues

    Red Or Dead, Nov 22, 2015
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    SidewayzShuffle//
    SidewayzShuffle//
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  19. BBR Alek

    WORKAROUND Open server on a pc without steam and complete game

    BBR Alek, Oct 19, 2015
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  20. CAEdevice

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    CAEdevice, Dec 15, 2015
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    Filippo94
    Filippo94
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    KillZoneGB, Mar 22, 2015
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    KillZoneGB
    KillZoneGB
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  22. troy

    WORKAROUND Mp replays in non booking mode

    troy, Jul 22, 2014 ... 2
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    ChokDK
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  23. mtz.enjoi

    WORKAROUND losing server connection randomly

    mtz.enjoi, Mar 2, 2017 ... 2 3 4
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    martcerv
    martcerv
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