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Updated: 05-18-15 11:38 AM
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Shadows of Argus (7.3.0)
Tomb of Sargeras (7.2.0)
Return to Karazhan (7.1.5)
Legion (7.0.3)
Updated:05-18-15 11:38 AM
Created:05-23-09 01:32 PM
Downloads:4,849,274
Favorites:1,576
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Categories:Leatrix Projects, WoW Tools & Utilities
7.3.0

Leatrix Latency Fix  Popular! (More than 5000 hits)

Version: 3.03
by: Leatrix [More]

Introduction

Leatrix Latency Fix reduces your online gaming latency by increasing the frequency of TCP acknowledgements sent to the game server. For the technically minded, this is a program which will modify TCPAckFrequency.

System Requirements
  • Windows (64-bit or 32-bit, Vista SP1+, XP SP3).
Macintosh users should read the guide here.

Installation Instructions

Download, extract and run Leatrix_Latency_Fix_3.x.exe. Click the Install button then restart your computer (or disable/enable your network card). To uninstall, click the remove button and restart your computer. You can watch a short installation video here. For more information, see the FAQ.

Links

Official Leatrix Sites
Fan videos (English)Fan videos (Non-English)Fan pagesMore

Genuine Leatrix software is always linked on Leatrix.com.

Leatrix software is protected by copyright.

3.03
  • Fixed a situational issue with standalone, public computers.
3.02
  • Fixed a small issue when using Windows XP with standard user rights.
3.01
  • The program status will now ignore network interfaces that don't have a gateway.
3.00
  • Leatrix Latency Fix 3.x is written in Python and supports User Account Control and Administrator rights detection.
2.0.2.0
  • Updated exception handling.
2.0.1.0
  • Simplified the code structure and removed the restart function.
2.00
  • Leatrix Latency Fix 2.x is written in Visual Basic (Microsoft .Net Framework 4 required).
1.23
  • Updated the restart process.
1.22
  • Unknown interfaces will no longer be listed in the checker script.
1.21
  • The checker script will now show interface names.
1.18
  • The checker script will now show IP addresses for modified interfaces.
1.15
  • Added batch support (eg. 'cscript c:\install.vbs') (Administrator rights required).
1.12
  • Added a checker script that will report the installation status.
1.11
  • Added User Account Control support.
1.00
  • First release.
Archived Files (4)
File Name
Version
Size
Author
Date
3.02
5MB
Leatrix
05-11-15 12:54 PM
3.01
5MB
Leatrix
05-11-15 11:31 AM
3.00
5MB
Leatrix
10-28-12 05:16 AM
2.0.2.0
383kB
Leatrix
10-22-12 12:51 PM


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Unread 09-22-09, 10:25 AM  
WowRobban24
A Kobold Labourer

Forum posts: 0
File comments: 10
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Thumbs up Best ever

DUDE This thing is fucking awsome ! i running with Vista 64 bit service pack 2 and i had around 260-400 constant ms in ironforge/dalaran etc
now i am on 100-160 constant so YES this is working 100% so all should rly use it to get better Ms Really thanks to you who made this
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Unread 09-23-09, 07:03 AM  
Limb0
A Cobalt Mageweaver
 
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Forum posts: 220
File comments: 298
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Just wanted to chime in, I'm on Vista 32 sp2 and after running an earlier version of Latency Fix (I'm pretty sure it was when you first uploaded it here under a different name), I went from 300-400 ms down to 70-110ms in Dalaran as well as in 25 Man Trials and Uld.

I have a link to LLF on my UI page and often recommend it to guildies and friends. Thanks for helping out the community, it's really appreciated.
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Unread 09-24-09, 02:39 AM  
cawfee
An Aku'mai Servant
 
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Forum posts: 30
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Windows 7, down to 120 from 250. Great work!
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Unread 09-25-09, 09:13 AM  
Keyzer
A Murloc Raider

Forum posts: 6
File comments: 15
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Using Windows 7. Went from 230ms to 50ms. Nice work!
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Unread 09-25-09, 02:07 PM  
LiNK2088
A Deviate Faerie Dragon
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Forum posts: 10
File comments: 242
Uploads: 1
This realy works, thanks alot!
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Unread 09-27-09, 02:53 PM  
eple
A Murloc Raider
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Forum posts: 8
File comments: 5
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Working :)

Using Windows 7 64bit, latency went from 190 to 50. Love it
edit: up to 90 now :P
Last edited by eple : 09-27-09 at 02:54 PM.
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Unread 09-27-09, 06:59 PM  
Wimpface
A Molten Giant
 
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Windows XP SP2, went from 2-300 MS to 15-25. This is a godsend, thanks Leatrix.

EDIT: Make that 15-45.
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Last edited by Wimpface : 09-27-09 at 07:00 PM.
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Unread 09-29-09, 09:46 AM  
Yza
A Kobold Labourer

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File comments: 2
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who's d boss?
Leatrix!
before 150 - 350ms
now after his fix 41 - 75(max) ms @ Dalaran (tonz of ppl)
i had some lag+dc problems in 25m raids, so i hope this fix it too.
Anyway.. thank alot 4 this awsome utility.
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Unread 09-29-09, 08:08 PM  
PsyHeart
A Defias Bandit
 
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ok i jsut isntalled it again..
my pc started up normally bit faster actually
open my browser, surfed abit around. good speed still still the same
started wow.. and i have to admit.. my latency went down! )
from around 95-130 to around 20-35
could be that it will increase when in peak times tho...
anyway, nice script u made there!
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Unread 09-30-09, 06:11 AM  
kaikkis
A Kobold Labourer

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File comments: 2
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nice work

Ok so for me win 7

was 250
now 60

wife windows xp
was 190
now 55


thank you =)
the difference is HUGE!.. feel like in christmas.. haha!
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Unread 10-05-09, 10:01 AM  
Yza
A Kobold Labourer

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ok, next info after my raids..
ulduar 25 : before: (250-2k ms) 14 dc's during whole raid
after: ( 50-250 ms) 2 dc's during whole raid
toc 25: before: (300-2k ms) many dc's during 1 mob of northerend beasts, + randomly dc ing during other encounters
after: ( 50-200 ms) ---> no disconnects <--- (only one lag spike for 1 sec on valkyrs, then normally continued without dc's..

(win xp sp3 / conection antivired+firewalled (2mb/s) / +/- 7 raid addons (not using recount and turned off combatlog))
thanks again for this great addon/utility, i really enjoy game with this
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Unread 10-05-09, 08:07 PM  
Dpartd
A Kobold Labourer
 
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Leatrix, I <3 U

Seriously, I tried manually fixing my ping several times to no avail (with various online fixes). Your fix worked like a charm!

I live in AZ and my wow server is physically located in Boston, MA.

I went from a 250-310ms ping to a 125-135ms ping with your fix. I'm operating on a Vista 64 bit SP 2 machine.

Unbelievably, you've fixed my ping and I appreciate all of your efforts...donation inc!

Edit: Hmm, seems to be no way to donate to you for your work? Or am I missing something?
Last edited by Dpartd : 10-06-09 at 02:43 AM.
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Unread 10-08-09, 04:12 AM  
Buio
A Kobold Labourer

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My results after testing this in Aion.

I used the command /ping a number of times in a area with few people zoomed-in looking at the floor (low CPU/bus usage).
OS: Windows 7 64-bit
NIC: nVidia nForce GBit Ethernet
ISP: BBB ADSL 24/1

Code:
           Before  After   Difference
Average     184.6    88.2    96.4
Max         272     125     147
Min         109      59      50
So my average ping went from 185ms to 88ms.

Aion ping before image:
http://img29.imageshack.us/img29/976...encybefore.png

Aion ping after image:
http://img75.imageshack.us/img75/864...tencyafter.png
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Unread 10-09-09, 09:12 AM  
Masoa
A Murloc Raider
 
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Forum posts: 5
File comments: 28
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Very nice. My ping went from 70-150 to 11-17 on WoW.

OS: Windows 7 Pro RTM x64
(from the MSDN Academic Alliance)
ISP: Verizon FiOS 25/15

Code:
           Before  After   Difference
Average     110     14      96
Max         150     17     133
Min          70     11      59
Last edited by Masoa : 10-09-09 at 09:21 AM.
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Unread 10-09-09, 01:51 PM  
Bati
A Deviate Faerie Dragon
 
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Forum posts: 10
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i am very impressed... went from 200-240 to 70-80. Ty so much! i will put a link for this on my next version of Bati's Ui.
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