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:
    31,425
    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:
    84,357
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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  2. 6S.Manu
    Locked Sticky

    WORKAROUND Connection issue: how to solve it by router settings

    6S.Manu, Dec 23, 2014
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    6,196
    6S.Manu
    6S.Manu
    Dec 23, 2014
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  4. razmatazz

    WORKAROUND Creating a Server

    razmatazz, May 9, 2014
    Replies:
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    235
    razmatazz
    razmatazz
    May 9, 2014
  5. gh3go

    WORKAROUND Booking countdown audio feedback

    gh3go, May 11, 2014
    Replies:
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    43
    gh3go
    gh3go
    May 11, 2014
  6. Mitsu-6A12

    WORKAROUND getting bluescreen in online lobby

    Mitsu-6A12, May 9, 2014
    Replies:
    8
    Views:
    122
    AC Support
    AC Support
    May 12, 2014
  7. xHyper

    WORKAROUND INVALID SERVER, Connection to Lobby Failed [SOLVED]

    xHyper, May 12, 2014
    Replies:
    1
    Views:
    270
    g4b1bb097
    g4b1bb097
    May 12, 2014
  8. Jorge Arteaga

    WORKAROUND Possible Fix for Dedicated Servers on 2Wire Routers

    Jorge Arteaga, May 14, 2014
    Replies:
    4
    Views:
    182
    Jorge Arteaga
    Jorge Arteaga
    May 14, 2014
  9. Iketani

    WORKAROUND Join server with modded track

    Iketani, Jun 13, 2014
    Replies:
    1
    Views:
    125
    SimonTek
    SimonTek
    Jun 13, 2014
  10. bikkits

    WORKAROUND For those with pick-up mode/acserver.exe problems

    bikkits, Jul 23, 2014
    Replies:
    3
    Views:
    133
    bikkits
    bikkits
    Jul 23, 2014
  11. ABernardo

    WORKAROUND Ports: udp, tcp, http?

    ABernardo, Oct 15, 2014 ... 2
    Replies:
    21
    Views:
    615
    2hats
    2hats
    Oct 17, 2014
  12. marexas

    WORKAROUND Can't join multiplayer servers

    marexas, Oct 18, 2014
    Replies:
    5
    Views:
    277
    6S.Manu
    6S.Manu
    Oct 18, 2014
  13. Christobal90

    WORKAROUND Reset to box after crash

    Christobal90, Oct 18, 2014
    Replies:
    1
    Views:
    58
    Jaye
    Jaye
    Oct 18, 2014
  14. troy

    WORKAROUND Mp replays in non booking mode

    troy, Jul 22, 2014 ... 2
    Replies:
    22
    Views:
    389
    ChokDK
    ChokDK
    Oct 19, 2014
  15. MiKeAhOwSkI

    WORKAROUND (solved)error,invalid server,check your port forwarding settings

    MiKeAhOwSkI, Oct 20, 2014
    Replies:
    0
    Views:
    106
    MiKeAhOwSkI
    MiKeAhOwSkI
    Oct 20, 2014
  16. Krimmr

    WORKAROUND Can't join my own multiplayer server

    Krimmr, Dec 21, 2014
    Replies:
    7
    Views:
    224
    jimke2
    jimke2
    Dec 23, 2014
  17. ears1991

    WORKAROUND Virtual mirror should be on by default

    ears1991, Dec 23, 2014 ... 2
    Replies:
    25
    Views:
    300
    ears1991
    ears1991
    Jan 5, 2015
  18. Arbuzzz

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

    Arbuzzz, Mar 14, 2015
    Replies:
    13
    Views:
    252
    martcerv
    martcerv
    Mar 17, 2015
  19. KillZoneGB

    WORKAROUND Online/offline performance filter

    KillZoneGB, Mar 22, 2015
    Replies:
    1
    Views:
    84
    KillZoneGB
    KillZoneGB
    Mar 23, 2015
  20. Minolin

    WORKAROUND Acserver-wrapper (logging, rules, ini-management, prestart)

    Minolin, Dec 20, 2014 ... 2
    Replies:
    23
    Views:
    1,216
    Minolin
    Minolin
    May 31, 2015
  21. Miltos95

    WORKAROUND Server manager doesn't like windows' 3rd party themes

    Miltos95, Aug 2, 2015
    Replies:
    3
    Views:
    92
    6S.Manu
    6S.Manu
    Aug 2, 2015
  22. magzire

    WORKAROUND How to permanently...

    magzire, Aug 5, 2015
    Replies:
    2
    Views:
    104
    magzire
    magzire
    Aug 5, 2015
  23. comm-ander

    WORKAROUND Wrong way

    comm-ander, Sep 11, 2015
    Replies:
    3
    Views:
    58
    Horus
    Horus
    Sep 11, 2015
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