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.

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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:
    31,773
    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:
    84,556
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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BUG WORKAROUND CRITICAL ISSUE
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  1. fanfreluche

    CRITICAL PLEASE HELP ME

    fanfreluche, Mar 29, 2021
    Replies:
    9
    Views:
    173
    fanfreluche
    fanfreluche
    Mar 31, 2021
  2. Virus82

    CRITICAL Acs.exe stop working

    Virus82, Sep 28, 2014
    Replies:
    6
    Views:
    173
    paulieGTR
    paulieGTR
    Oct 4, 2014
  3. ScouseMouse

    CRITICAL Assetto corsa not booting windows 10!

    ScouseMouse, Dec 25, 2015
    Replies:
    12
    Views:
    173
    AC Support
    AC Support
    Dec 29, 2015
  4. Akeldema

    CRITICAL Asc.exe crash

    Akeldema, Jun 28, 2014
    Replies:
    19
    Views:
    175
    Giovanni Romagnoli
    Giovanni Romagnoli
    Jul 1, 2014
  5. KToMmi

    CRITICAL Plagued by MAIN_T (too high values)

    KToMmi, Feb 22, 2018
    Replies:
    12
    Views:
    176
    AC Support
    AC Support
    Mar 1, 2018
  6. Felipe Freire

    CRITICAL AC crashes everytime I try to play it.

    Felipe Freire, Jul 28, 2018
    Replies:
    12
    Views:
    178
    Felipe Freire
    Felipe Freire
    Sep 9, 2018
  7. Fatal 2

    CRITICAL Just downloaded, No launch.

    Fatal 2, Dec 24, 2017
    Replies:
    10
    Views:
    181
    Fatal 2
    Fatal 2
    Jan 2, 2018
  8. Arbuzzz

    CRITICAL Game Won't Start

    Arbuzzz, Mar 9, 2016
    Replies:
    7
    Views:
    185
    Jemm
    Jemm
    Mar 11, 2016
  9. skinny_pete

    CRITICAL Game crashes while loading after click on "start engine"

    skinny_pete, Oct 8, 2015
    Replies:
    6
    Views:
    185
    skinny_pete
    skinny_pete
    Oct 9, 2015
  10. urraco57

    CRITICAL AC does not work

    urraco57, Mar 27, 2017
    Replies:
    7
    Views:
    186
    mms
    mms
    Mar 28, 2017
  11. Racing Joint

    CRITICAL Pressing start engine button just returns me to loading screen

    Racing Joint, Aug 10, 2020
    Replies:
    9
    Views:
    186
    prizrakE30
    prizrakE30
    Sep 27, 2020
  12. Cerionese

    CRITICAL does not start assetto corsa

    Cerionese, May 22, 2014
    Replies:
    11
    Views:
    190
    AC Support
    AC Support
    May 25, 2014
  13. Venture

    CRITICAL Assetto corsa return to main menu after start button

    Venture, Dec 27, 2015
    Replies:
    7
    Views:
    192
    MAUZERIS[LT]
    MAUZERIS[LT]
    Dec 29, 2015
  14. LMBatista

    CRITICAL Game won´t load after start race/engine

    LMBatista, Mar 26, 2015
    Replies:
    12
    Views:
    192
    LMBatista
    LMBatista
    Mar 31, 2015
  15. jake202

    CRITICAL Assetto Corsa refusing to start (windows 10)

    jake202, May 19, 2016
    Replies:
    10
    Views:
    193
    lukas2705
    lukas2705
    May 22, 2016
  16. BestiCau

    CRITICAL Launcher crash

    BestiCau, Sep 28, 2017
    Replies:
    14
    Views:
    194
    Rudski
    Rudski
    Oct 6, 2017
  17. Luigi70

    CRITICAL acs_x86 stopped working, back to the menu

    Luigi70, May 27, 2016
    Replies:
    16
    Views:
    196
    AC Support
    AC Support
    Jun 19, 2016
  18. dnlx77

    CRITICAL Games won't start

    dnlx77, May 5, 2020
    Replies:
    5
    Views:
    196
    UwU | Globul | UwU
    UwU | Globul | UwU
    Nov 9, 2020
  19. Gpruitt54

    CRITICAL Updated to 1.3.2, played perfectly, 4 days later, game not loading

    Gpruitt54, Oct 16, 2015
    Replies:
    10
    Views:
    199
    gcflora
    gcflora
    Oct 17, 2015
  20. Lorenzo Castellani

    CRITICAL Assetto Corsa problem

    Lorenzo Castellani, Sep 24, 2018 ... 2
    Replies:
    21
    Views:
    199
    Rudski
    Rudski
    Sep 29, 2018
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