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Avast Anti-virus and nxcharacter.dll (UPDATED x2)


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#1
RaenImrahl

RaenImrahl
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All,

I am starting a new topic here as a few have popped up this morning, and I'd like to consolodate the discussion.  It appears that the latest update to Avast anti-virus causes it to think that the file "nxcharacter.dll", which is installed along with Dragon Age: Origins, is infected.

Some users may be experiencing startup problems with the game, because this file has been quarentined or removed completely.

As far as I can tell, nxcharacter.dll is part of the PhysX system used by both DAO and DA2.  The general consensus right not is that this is a "false positive" reading on the part of Avast.

I've scanned my own system (I use MS Secutiry Essentials) and have not encountered an issue. 

** UPDATE x2 ** 
It appears Avast has sent out a revised update which fixes the issue.  For those affected, update Avast, then go into Avast's "virus chest" and restore the file.

If the file has already been deleted from the Avast "virus chest", you can either try to find the file online or, safer-- do an uninstall/reboot/reinstall of the game.  If you want to back up saved games first, back up the folder My Documents > Bioware > Dragon Age > Characters.


** UPDATE x1 **


This procedure seems to be userful in circumventing the problem:


Aetika wrote...

Ok, I was finally able to run the game after I read Empherion´s advice (thanks :)) and played around little. Here´s what I did in Avast:

Settings - Exclusions - I added C:Program FilesDragon Agebin_ship* to the list

File System Shield - Expert settings - Exclusions - I added C:Program FilesDragon Agebin_ship* to the list.

Behavior Shield - Expert settings - Trusted processes - I added C:Program FilesDragon AgeDAOriginsLauncher.exe to the list.

Then I restored nxcharacter.dll from virus chest.
As you can see I am no expert, so I basically put Dragon age to any exclusion list I could find :innocent:

Hope this can help others too.


Modifié par RaenImrahl, 04 juin 2011 - 10:04 .


#2
Rob Bartel

Rob Bartel
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gravedancer wrote...

Problem is fixed with the latest Avast definitions.


As per moderator on the Avast forums, "I can confirm false positive alert on this file with current VPS. [False Postive] is
internally fixed, new VPS will be distributed in few hours." - http://forum.avast.c...p?topic=79380.0

As gravedancer confirms, the new definitions file is now available from Avast and should correct the issue.

Thanks to all of you who filed False Positive reports back to the team at Avast.

Modifié par Rob Bartel, 06 juin 2011 - 04:37 .


#3
Rob Bartel

Rob Bartel
  • BioWare Employees
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Also, for those of you who are now encountering DLC authentication issues as a result of your attempt to address this false positive from Avast, a fix is being worked on in the upcoming patch. You are welcome to join the private beta to access the fix immediately and get you back up and running with your DLC asap. If interested, please message RaenImrahl and he'll get you hooked up.

Those who are simply missing their DLC can redownload it here on the site by going to the "Your registered game content" page under your profile menu.

Thanks,
Rob

Modifié par Rob Bartel, 06 juin 2011 - 04:54 .