Diablo III

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Diablo III
Diablo III Coverart.png
Release dates
May 15, 2012
May 15, 2012
 Diablo III at Wikipedia
Diablo 1996
Diablo: Hellfire
Diablo II 2000
Diablo II: Lord of Destruction
Diablo III 2012
Diablo III: Reaper of Souls

Key points

Information The Auction House was closed on March 18, 2014.[1]

General information

More information General known issues list
More information Official Forum
More information /r/diablo Subreddit.
More information /r/diablo3 Subreddit.
More information diablo + diablo3 Subreddit - browse both subreddit without custom CSS.
More information The Diablo 3 Database (D3DB) - a comprehensive item, skill and quest database from the makers of Wowhead for World of Warcraft.
More information Diablo Gem Calculator - tracks and calculates gem prices in both real money and gold.


[edit] Availability

Source(s) Store unlock Notes
Retail BattleNet.png Activates on Battle.net via serial key.
Battle.net BattleNet.png Activates on Battle.net through digital purchase.
Information All versions unlock a digital download on Battle.net, which does not require an external downloader or client.

[edit] Battle.net

The game is fairly restrictive in requiring constant online access in order to play both single and multiplayer portions of the game, which is a departure from how Diablo II and StarCraft II handled their singleplayer campaigns. An 'always-on' connection requirement for singleplayer can be considered a form of Digital Rights Management (DRM).

[edit] Starter Edition

The Diablo III Starter Edition provides players the ability to try out a limited demo version of Diablo III.

The Starter Edition has a number of restrictions:

  • Act I up to the Skeleton King is available
  • Level 13 cap
  • Matchmaking available only with other Starter Edition players
  • Global Play is not available. Players attempting to connect to Diablo III Starter Edition in a region other than their Battle.net Account's home region will receive Error 12.

Matchmaking of Starter Edition is only possible with other players of the Starter Edition, and not the full accounts. This includes public matching and private invitations. Counterintuively, this means that Starter Edition players will not be able to play with players with full Diablo III accounts.[2]

[edit] Game data

[edit] Configuration file(s) location

Windows %USERPROFILE%\Documents\Diablo III\D3Prefs.txt
OS X ~/Library/Application Support/Blizzard/Diablo III/D3Prefs.txt
Information Save games are stored on the Battle.net servers.

[edit] Save game cloud syncing

System Native Notes
GameSave Manager Native

[edit] Video settings

Graphics option Option WSGF Notes
Widescreen resolution Native WSGF WS Gold.png
Multi-monitor Hackable WSGF MM Silver.png See Multi-monitor.
Ultra-widescreen Native WSGF UW Silver.png
Windowed Native
Borderless fullscreen windowed Native Change display mode to "Fullscreen Windowed" in-game.
Anisotropic filtering (AF) Native
Anti-aliasing (AA) Native
Vertical sync (Vsync) Native Vsync caps frame rate at 60 FPS.[3]
High frame rate Native Disable in-game Vsync to remove 60 FPS cap.[3]

[edit] Multi-monitor

Reportedly working by changing display mode to "Fullscreen Windowed" and setting a multi-monitor resolution.[4]

[edit] Improve Graphical Sharpness Filtering

The FXAA Injector is reported to work with Diablo III to improve graphical sharpness filtering.[5][6]

[edit] Darker D3

Using the Darker D3 Pixel Shader by Pyloneer, it is possible to make a change to the brightness and sharpness of the shaders.

  • Run Diablo III at least once.
  • Select a setting from the website.
  • Extract the .zip into the Diablo III folder.
  • Use the 'Pause' key to toggle the effect.
[edit] Breach Of Terms Of Service

Jay Wilson, Game Director of Diablo III, stated the following on 13 May 2012:

"TOS against mods is so we can ban cheaters. I agree DarkD3 is not a cheat...yet. As long as it is not a cheat, no ban is likely."[7]

Jay Wilson previously stated that altering graphics is against Terms Of Service, and can result in a ban.[8] Following this guide using Darker D3 is at one's own risk.

[edit] Input settings

Keyboard and mouse Native Notes
Remapping Native
Mouse acceleration Impossible
Mouse input in menus Unknown
Mouse Y-axis inversion Unknown
Controller support Unknown

[edit] Audio settings

Audio options Native Notes
Separate volume controls Native Master, SFX, voice, ambience, music
Surround sound Native 4.0-7.1, ProLogic
Subtitles Native Available for cinematic and quest dialogues
Closed captions Unknown
Mute on focus lost Native Can be toggled in options menu

[edit] Issues unresolved

[edit] Window Unresponsive

Game client window becomes unresponsive when a dialog box is opened in the background.

[edit] Issues fixed

[edit] Video Card Not Supported

Unsupported video card error.
Demo version of Swiftshader, on Intel G41.

You may receive the error message:

We have detected that your video card is not supported by Diablo III.

Diablo III will block certain systems running the game if it does not detect a certain spec of video card. However, it is possible to force the game to run on any video card (even if it does not meet the minimum specification of the game).[9]

This fix has been acknowledged by Blizzard, but comes with its own warning from Omrakos:

...if you decide to do this and have terrible performance as expected, please do not contact us reporting it. We know the unsupported cards aren't going to perform well and there's nothing we'll be able to do to remedy it.[10]

[edit] Method 1 - Press Escape

Fix Method 1 - Press EscapeLink

  1. Pressing Esc instead of cancel will make one's computer attempt to load the client.
Information Pressing cancel will load up a list of unsupported video cards on Blizzard's website.

[edit] Method 2 - Edit D3Prefs.txt

Fix Method 2 - Edit D3Prefs.txtLink

  1. Edit %USERPROFILE%\Documents\Diablo III\D3Prefs.txt
  2. Change HardwareClass "0" to HardwareClass "1"
  3. Change DisableTrilinearFiltering "0" to DisableTrilinearFiltering "1"
  4. Save your changes.

[edit] Method 3 - Swiftshader

Fix Method - SwiftshaderLink

Using the program Swiftshader can successfully load the game even on extremely low powered machines. For example, the game can be run on integrated graphics as low powered as the Intel G41, albeit at extremely low frame rate.[11]

[edit] High DPI Setting

Disable DPI scaling settings.

By default, it appears as if Diablo III has a number of issues with high or custom DPI settings in Windows.

This can result in:

  • Mouse cursor not being moveable whilst in fullscreen mode.
  • Mouse being imprecise on the screen.
  • Taskbar showing over the game window.

Fix High DPI Setting fixLink

Information This can be fixed by following these steps:[12]
  1. Right-click on the Diablo III shortcut (or Diablo III.exe) and go to the 'Compatibility' tab.
  2. Select, 'Disable display scaling on high DPI settings'.

[edit] Login Errors

These messages may appear when trying to log in.

[edit] Error 12

This means that no license is attached to the Battle.net account, a problem with many users in Asia. Check this thread for more information.

[edit] Error 37

This message means that the login servers are at full capacity. Official advice is to try logging in later when the servers are less busy.[13]

Fix Error 37Link

Information However, it is possible to bypass Error 37 using this trick


  1. Enter password.
  2. press Enter.
  3. Press cancel before anything happens.
  4. Log back in straight away.
Information This might be considered an exploit of the way that the client is reporting Error 37 to indicate that servers are too busy. However, this does not seem to have any particular consequences, except that Blizzard's servers will be busy.

[edit] Error 75

Error 75 means that Blizzard servers are down. Check Diablo III Server Status page for updates.

[edit] Can't Move Mouse In Fullscreen

Disable DPI scaling settings.

This is most likely caused by high or custom DPI settings in Windows.

[edit] Method 1 - Compatibility

Fix Method 1 - CompatibilityLink

This can be fixed by following these steps:[15]

  1. Right-click on the Diablo III shortcut (or Diablo III.exe) and go to the 'Compatibility' tab.
  2. Select, 'Disable display scaling on high DPI settings'.

[edit] Method 2 - Edit D3Prefs.txt To Windowed

Fix Method - Edit D3Prefs.txt To WindowedLink

Information If one is stuck in fullscreen mode, one can change the D3Prefs.txt settings to force a windowed mode.
  1. Open %USERPROFILE%\Documents\Diablo III\D3Prefs.txt
  2. Make sure that this line is adjusted:
  3. DisplayModeWindowMode "0" to DisplayModeWindowMode "1"

[edit] No Diablo III License Attached

Fix Method - No Diablo III License AttachedLink

This error message may appear:

|This Battle.net account does not have a Diablo III License attached to it.
  • A possible fix is to correctly set the region within the game settings, within the Options > Account > Server Region settings.[16]

[edit] Overlays

Running programs that put an overlay over Diablo III (such as Mumble, Xfire, and MSI Afterburner) can cause Diablo III to crash. Use these overlays at your own risk.[17]

[edit] Problems with Steam overlay

Fix Problems with Steam overlayLink

  • Add DiabloIII.exe with the + Add a game on the bottom left
  • Right click Diablo III in the library and choose Properties
  • Add -launch to the end of the target.

[edit] Cinematics not playing or are missing from cinematics menu

Fix Cinematics not playing or are missing from cinematics menuLink

1. Edit %USERPROFILE%\Documents\Diablo III\D3Prefs.txt

2. find the PlayedCutscene lines, and edit them to read as follows:

PlayedCutscene0 "15"

PlayedCutscene1 "15"

PlayedCutscene2 "15"

PlayedCutscene3 "15"

3. Save and exit the file, and try again.[18]

[edit] Installation Issues

[edit] Change Client Language

Update 8 June 2012: Blizzard appear to have restricted client language switching.[19] Errors 81, 82 or 84 displays: "The client does not match the accounts native language. Please, use the game native client." There is no known fix as of yet, as Blizzard controls the language restrictions from their servers.

Language change menu.
Client language files can be adjusted from the options menu. Once the change is applied, a patch of approximately 3 GB is downloaded. Client language cannot be changed back until this download reaches the 'playable' state, and one re-enters the client to change the language option again.[20]

Available languages are:

  • English (United States)
  • Spanish (Latin American)
  • Korean
  • Chinese (Traditional)
  • German
  • Spanish
  • French
  • Italian
  • Polish

[edit] "Updating game files" Issue

Some players are reporting the game getting stuck at installation in the "Updating game files" part.

[edit] Method 1 - Disable Anti-Virus Software

Fix Method - Disable Anti-Virus SoftwareLink

  1. Turn off your anti-virus software and firewall.
  2. Loading the setup file again.
  3. Running the launcher as administrator.
[edit] Method 2 - Connect Using Different Network Adapter

Fix Method - Connect Using Different Network AdapterLink

The Blizzard Agent may be attempting to connect over the wrong network adaptor. The following steps may resolve your issue:

  1. Open the Control Panel.
  2. Select "View network status and tasks".
  3. Select "Change adapter settings".
  4. Right click on each adapter and select "Disable". Leave your primary adapter (the one that provides your internet connection) enabled. You should now have only one enabled adapter.
  5. Check that you are still connected to the internet.
  6. Go to %PROGRAMDATA% and delete the Battle.net folder (if it exists).
  7. Retry the installer/launcher.
[edit] Method 3 - Delete/Modify Agent Files

Fix Method - Delete/Modify Agent FilesLink

  1. Go to %PROGRAMDATA%\Battle.net\Agent\
  2. Delete Agent.exe.
  3. Edit Agent.db.
  4. Change p2penable : true to p2penable : false

[edit] Installation Stuck At 10%

If the user has any connections configured in "Dial-up and Virtual Private Network settings" and they're set to "Dial whenever a network connection is not present," the install won't proceed past 10%.[21]

[edit] Installation Not Doing Anything

If the installation has yet to do anything you might need to make sure your secondary logon has been enabled. Do so by going through - Control Panel/Administrative Tools/Services, right click Secondary Logon and proceed to enable it by setting the start up type to automatic.

[edit] Low frame rate (OS X)

Fix Low Frame RateLink

  1. Using settings in the D3Prefs.txt mentioned below one can achieve a reasonable frame rate on e.g. the Macbook Pro Mid 2010 with the Nvidia 330M.
  2. Open the D3Prefs.txt and set the following to options to 1:
  • DisableTrilinearFiltering
  • HardwareClass

[edit] Can't ⌘ + Tab (OS X)

Check that you haven't enabled Caps Lock as that disables +Tab , although +M still functions correctly.

[edit] System requirements

Minimum Recommended
Operating system (OS) XP, Vista, 7 Vista, 7
Processor (CPU) Intel Pentium D 2.8 GHz or AMD Athlon™ 64 X2 4400+ Intel Core 2 Duo 2.4 GHz or AMD Athlon 64 X2 5600+ 2.8 GHz
System memory (RAM) 1 GB (XP), 1.5 GB (Vista, 7) 2 GB
Hard disk drive (HDD) 12 GB 12 GB
Video card (GPU) NVIDIA GeForce 7800 GT or ATI Radeon™ X1950 Pro NVIDIA GeForce 260 or ATI Radeon™ HD 4870
Minimum Recommended
Operating system (OS) 10.6.8, 10.7.x 10.7.x or newer
Processor (CPU) Intel Core 2 Duo Intel Core 2 Duo
System memory (RAM) 2 GB 2 GB
Hard disk drive (HDD)
12 GB
Video card (GPU) NVIDIA GeForce 8600M GT or ATI Radeon HD 2600 NVIDIA GeForce GT 330M or ATI Radeon HD 4670


  1. Auction House FAQ Updated - Diablo III
  2. http://us.battle.net/d3/en/forum/topic/5150755817
  3. 3.0 3.1 New 120Hz Games Report
  4. http://www.wsgf.org/dr/diablo-iii/en
  5. http://timothylottes.blogspot.se/2011/03/nvidia-fxaa.html
  6. http://eu.battle.net/d3/en/forum/topic/3950095509?page=1
  7. https://twitter.com/#!/Angryrobotics/status/201726183740686336
  8. https://twitter.com/#!/Angryrobotics/status/201405207039578113
  9. http://www.reddit.com/r/gaming/comments/tn8la/im_going_to_die/c4o2ada
  10. http://us.battle.net/d3/en/forum/topic/4903520596
  11. Tested by Andytizer.
  12. Fix by Andytizer.
  13. http://eu.battle.net/d3/en/forum/topic/4064636470
  14. http://www.reddit.com/r/Diablo/comments/tnxw1/trick_for_logging_in/
  15. Fix by Andytizer.
  16. http://www.gamefromscratch.com/post/2012/05/15/Picked-up-Diablo-3%E2%80%A6.aspx
  17. http://us.battle.net/d3/en/forum/topic/4916972036
  18. http://eu.battle.net/d3/en/forum/topic/4784318688?page=1#10
  19. http://us.battle.net/d3/en/forum/topic/5578597286?page=1
  20. http://gaming.stackexchange.com/questions/66164/can-i-change-the-language-the-game-client-uses
  21. http://us.battle.net/d3/en/forum/topic/4916972036

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