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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.
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.
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.
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

Physics Bugs & Issues

Discussions related to physics issues and feedback

: Announcement Title Start Date; Replies Views; Last Message

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READ HERE How to Use the Support Forums and Report Issues

pankykapus, Sep 12, 2018

Replies:

1

Views:

31,760

pankykapus

Jan 3, 2021
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FOR PC USERS: Rent your Assetto Corsa or Assetto Corsa Competizione game server with 10% off !

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 Deleted by AC Support, Nov 28, 2021, Reason: No longer valid.

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Before Posting - Read the FAQs and Use Search Function

paulieGTR, Nov 10, 2013

Replies:

1

Views:

84,545

Tiago Fortuna

Nov 12, 2013

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NO ISSUE About Helper Spring rates

Kade, Jan 31, 2017

Replies:

8

Views:

541

chksix

Feb 3, 2017
NO ISSUE Mazda RX-7 downshifting redlines every time

Hawkmoon, Dec 25, 2016

Replies:

8

Views:

241

Hawkmoon

Dec 28, 2016
NO ISSUE Grip level differences in Special Events (solved - no issue)

V8_KB, Sep 4, 2016

Replies:

8

Views:

88

V8_KB

Sep 5, 2016
NO ISSUE Flat-Spot Code

burrito, Jan 31, 2016

Replies:

8

Views:

467

burrito

Feb 3, 2016
NO ISSUE M235i broke?

minimalist, Dec 25, 2015

Replies:

8

Views:

272

Jebus

Dec 26, 2015
NO ISSUE Wrong gear ratio for pagani huayra

busthole, May 30, 2015

Replies:

8

Views:

226

xystof

Jun 5, 2015
NO ISSUE Ruf yellowburd fuel consumption

demonized, Dec 24, 2014

Replies:

8

Views:

342

Vampire

Dec 24, 2014
NO ISSUE Acceleration inertia

Tibalotte, Sep 27, 2014

Replies:

8

Views:

403

Soulvex

Oct 13, 2014
NO ISSUE Porsche 962C Short Tail inverted front camber telemetry channels

Glaurung, Oct 30, 2017

Replies:

7

Views:

233

Neilski

Nov 1, 2017
NO ISSUE Wrong Lotus 49/Ferrari 312 Weight&Power

leon_90, Sep 19, 2017

Replies:

7

Views:

397

leon_90

Sep 27, 2017
NO ISSUE No rev-limiter, top speed too low, wrong TC, wrong LED on Audi R18 2014

roadrunner_gs, May 20, 2017

Replies:

7

Views:

346

Mach77

May 26, 2017
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NO ISSUE Track Grip goes from Optimum to 85% .

Znam Neznam, Mar 22, 2017

Replies:

7

Views:

204

Znam Neznam

Mar 22, 2017
NO ISSUE Porsche 911 Turbo S 80% Turbo Lock

leon_90, Dec 27, 2016

Replies:

7

Views:

236

Aristotelis

Dec 27, 2016
NO ISSUE Stability control off problem (i think)

Ziltoid the Omniscient, Feb 26, 2015

Replies:

7

Views:

155

Slamdrunken

Feb 26, 2015
NO ISSUE Brake bias changes by its self in bmw m3 gt2

john oliver, Nov 14, 2014

Replies:

7

Views:

118

john oliver

Nov 14, 2014
NO ISSUE Not able to drift (tried only bmw e30 and e92), can't change camera

strelokstk, Dec 15, 2013

Replies:

7

Views:

315

strelokstk

Dec 18, 2013
NO ISSUE Mazda 787B and other cars FFB effects

Iketani, Jul 20, 2017

Replies:

6

Views:

269

mclarenf1papa

Jul 22, 2017
NO ISSUE Mazda RX-7 default damping

Kade, Dec 14, 2016

Replies:

6

Views:

259

Kade

Mar 6, 2017
NO ISSUE Lotus 240R incorrect engine performance

Tombs, Feb 21, 2017

Replies:

6

Views:

231

Animal Ed

Feb 21, 2017
NO ISSUE Wrong differential setting on 991 GT3 RS

Martin Palm, Dec 23, 2016

Replies:

6

Views:

350

Martin Palm

Dec 24, 2016

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