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:
    31,490
    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:
    84,389
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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BUG WORKAROUND CRITICAL ISSUE
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  1. CrabNicholson

    CRITICAL I knew i shouldn't 1.3

    CrabNicholson, Oct 9, 2015
    Replies:
    8
    Views:
    342
    michael_
    michael_
    Oct 9, 2015
  2. 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
  3. JZ4

    CRITICAL Hard freeze/crash seconds after driving (logs provided)

    JZ4, Oct 9, 2015
    Replies:
    1
    Views:
    72
    AC Support
    AC Support
    Oct 9, 2015
  4. nfsw55

    CRITICAL Game crashes

    nfsw55, Oct 8, 2015
    Replies:
    14
    Views:
    330
    AC Support
    AC Support
    Oct 9, 2015
  5. Stevo GTR

    CRITICAL Game crashes after 1.3 update when i start practice or online race

    Stevo GTR, Oct 8, 2015
    Replies:
    4
    Views:
    126
    6S.Manu
    6S.Manu
    Oct 8, 2015
  6. David Nau

    CRITICAL Game crashes after "start race" is pressed

    David Nau, Oct 3, 2015
    Replies:
    1
    Views:
    89
    AC Support
    AC Support
    Oct 3, 2015
  7. WhiteOakRacing

    CRITICAL Acs has stopped working - after track mod

    WhiteOakRacing, Oct 3, 2015
    Replies:
    1
    Views:
    45
    AC Support
    AC Support
    Oct 3, 2015
  8. SidSymo

    CRITICAL Simulation crashes back to menu application

    SidSymo, Aug 30, 2015
    Replies:
    9
    Views:
    220
    AC Support
    AC Support
    Sep 22, 2015
  9. sapiapm

    CRITICAL Windows 10 crash

    sapiapm, Sep 16, 2015
    Replies:
    10
    Views:
    217
    AC Support
    AC Support
    Sep 19, 2015
  10. vincenzoB88

    CRITICAL Crash acs.exe - "runtime error!"

    vincenzoB88, Sep 13, 2015
    Replies:
    1
    Views:
    93
    AC Support
    AC Support
    Sep 13, 2015
  11. StaRx ''

    CRITICAL Runtime errors and crashes!

    StaRx '', Aug 3, 2015 ... 2 3
    Replies:
    41
    Views:
    667
    AC Support
    AC Support
    Sep 10, 2015
  12. crills2000

    CRITICAL Game doesn't get past the loading screen

    crills2000, Sep 3, 2015
    Replies:
    1
    Views:
    117
    flyingpig
    flyingpig
    Sep 3, 2015
  13. Arexin

    CRITICAL Asc.exe crash after engine start

    Arexin, Sep 1, 2015
    Replies:
    1
    Views:
    76
    AC Support
    AC Support
    Sep 1, 2015
  14. llimJoell

    CRITICAL Ac doesn't start in windows 10

    llimJoell, Aug 9, 2015
    Replies:
    18
    Views:
    509
    AC Support
    AC Support
    Aug 16, 2015
  15. PixelCube

    CRITICAL I cant join a race

    PixelCube, Aug 14, 2015
    Replies:
    1
    Views:
    67
    AC Support
    AC Support
    Aug 14, 2015
  16. RumpleForSkin

    CRITICAL Game launcher stuck on "loading modules"

    RumpleForSkin, May 18, 2015
    Replies:
    5
    Views:
    132
    AC Support
    AC Support
    Aug 7, 2015
  17. Schmexxy

    CRITICAL Occasionally, multi-player servers create runtime error

    Schmexxy, Aug 1, 2015
    Replies:
    2
    Views:
    159
    AC Support
    AC Support
    Aug 2, 2015
  18. danie-g87

    CRITICAL Ac doesnt start after windows 10 upgrade

    danie-g87, Jul 30, 2015
    Replies:
    13
    Views:
    383
    Rhylthusming
    Rhylthusming
    Aug 1, 2015
  19. EDWINX

    CRITICAL Ac unforseen error

    EDWINX, Jul 24, 2015
    Replies:
    3
    Views:
    120
    AC Support
    AC Support
    Jul 27, 2015
  20. XabiMaz

    CRITICAL Ac goes back to desktop!!

    XabiMaz, Jun 13, 2015 ... 2 3
    Replies:
    54
    Views:
    542
    AC Support
    AC Support
    Jul 27, 2015
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