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

Troubleshooting - Workarounds

Crashes on startm troubleshootings, workarounds and other general issues.

Announcement Title Start Date
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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:
    31,728
    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:
    84,521
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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BUG WORKAROUND CRITICAL ISSUE
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  1. Zapnite

    KNOWN ISSUE Ac crashes within first second on the track (time attack mode in drag and drift)

    Zapnite, Aug 13, 2014 ... 2
    Replies:
    21
    Views:
    270
    Poison Nuke
    Poison Nuke
    Aug 28, 2014
  2. Paul Daniels

    KNOWN ISSUE Tiers not progressing after the Supercar Race challenge.

    Paul Daniels, Jan 26, 2014
    Replies:
    14
    Views:
    162
    Paul Daniels
    Paul Daniels
    Jan 28, 2014
  3. coret3x

    KNOWN ISSUE Steam not counting actual game time

    coret3x, Mar 3, 2016
    Replies:
    12
    Views:
    141
    Dutchyfutch
    Dutchyfutch
    Mar 4, 2016
  4. DeV-xC

    KNOWN ISSUE 1.1.6. game will freeze upon exit (mouse control as a wheel)

    DeV-xC, Apr 27, 2015
    Replies:
    12
    Views:
    292
    Laurent Resende
    Laurent Resende
    Jun 4, 2015
  5. john oliver

    KNOWN ISSUE silverstone gp and international replay problem

    john oliver, May 14, 2014
    Replies:
    10
    Views:
    84
    xystof
    xystof
    Nov 6, 2016
  6. bgil66

    KNOWN ISSUE Completed a race but then cant get back to menu

    bgil66, Jan 17, 2016
    Replies:
    9
    Views:
    199
    d154xxl
    d154xxl
    Feb 17, 2016
  7. Shaddix

    KNOWN ISSUE Tatuus starts rolling on Imola

    Shaddix, Dec 9, 2013
    Replies:
    9
    Views:
    143
    AC Support
    AC Support
    Dec 28, 2013
  8. MrNoodle

    KNOWN ISSUE Ac crashing after every race in 4k (try to disable launcher acceleration)

    MrNoodle, Oct 18, 2014
    Replies:
    8
    Views:
    210
    Cuba
    Cuba
    Mar 13, 2015
  9. Doorman vill lira

    KNOWN ISSUE Acs.exe crash on clicking 'start' (time attack mode)

    Doorman vill lira, Oct 27, 2014
    Replies:
    8
    Views:
    138
    AC Support
    AC Support
    Oct 29, 2014
  10. neddyie116

    KNOWN ISSUE Large Circuits Shaking

    neddyie116, Sep 5, 2017
    Replies:
    7
    Views:
    124
    paulieGTR
    paulieGTR
    Sep 6, 2017
  11. [RRRV] JuggernAlz

    KNOWN ISSUE AC launcher crash while closing

    [RRRV] JuggernAlz, Jan 28, 2016
    Replies:
    7
    Views:
    103
    aphidgod
    aphidgod
    Feb 4, 2016
  12. aimbot

    KNOWN ISSUE Vintage tribute alien alfa gta

    aimbot, Mar 13, 2015
    Replies:
    7
    Views:
    166
    alex_9170
    alex_9170
    Apr 12, 2015
  13. mike_9977

    KNOWN ISSUE Acs.exe crash after start

    mike_9977, Sep 21, 2014
    Replies:
    7
    Views:
    164
    AC Support
    AC Support
    Sep 28, 2014
  14. Kez

    KNOWN ISSUE "lap will not count" penalty not resetting on new lap

    Kez, Mar 24, 2015
    Replies:
    6
    Views:
    144
    Kevin Jay
    Kevin Jay
    Apr 9, 2015
  15. Matt101

    KNOWN ISSUE Change car camera not working

    Matt101, Jun 24, 2014
    Replies:
    6
    Views:
    87
    6S.Manu
    6S.Manu
    Mar 26, 2015
  16. TMoney

    KNOWN ISSUE Game broken with 1.1 update - crashing

    TMoney, Mar 12, 2015
    Replies:
    6
    Views:
    262
    TMoney
    TMoney
    Mar 14, 2015
  17. chrispool08

    KNOWN ISSUE Odd AI pit behavior

    chrispool08, Aug 4, 2017
    Replies:
    5
    Views:
    115
    Luqie
    Luqie
    Nov 12, 2017
  18. JDoTGaMeR

    KNOWN ISSUE Game crashes after pressing Start [audio device set to 5.1 surround]

    JDoTGaMeR, Jan 22, 2014
    Replies:
    5
    Views:
    56
    AC Support
    AC Support
    Jan 22, 2014
  19. mushi_mush

    KNOWN ISSUE cant get past "starting theme engine". PLEASE HELP!! [run as admin issue]

    mushi_mush, Nov 12, 2013
    Replies:
    5
    Views:
    142
    mushi_mush
    mushi_mush
    Nov 13, 2013
  20. frodesa

    KNOWN ISSUE Cant race with ai [vs cars with a single livery available]

    frodesa, Oct 28, 2014
    Replies:
    3
    Views:
    84
    paulieGTR
    paulieGTR
    Oct 29, 2014
Showing threads 1 to 20 of 39

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