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jmhome
PostPosted: Nov 18, 2008 - 02:39 AM
Newbie


Joined: Jan 28, 2007
Posts: 6
Location: Brazil

Hello everybody;

I need help with the following subject:

I have installed the new 4.15 AVR Studio but if I try to launch it I get a message that the WDAPI811.DLL can not be found.

Can anybody help me out?

TKS
 
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pradheep
PostPosted: Nov 18, 2008 - 05:29 AM
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Joined: Mar 15, 2007
Posts: 214
Location: India

can you post which os you are using so it can be useful for some one to provide solution
try this thread may help you
http://www.avrfreaks.net/index.php?name ... api811+dll

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jmhome
PostPosted: Nov 18, 2008 - 09:52 PM
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Joined: Jan 28, 2007
Posts: 6
Location: Brazil

Hi Pradheep;

The OS is XP SP3. I have two XP machines at home and I can not find the .dll file (under c:/windows/system32/wdapi811.dll) on both.But it exists once I have find it on my pc at office ( XP SP3). I have found that it is a dll from JUNGO ( http://www.jungo.com)and according to the answers from microsoft I think that it is not part of windows original package. I do not know what application or installation sw had insttalled or removed it from my computer. I will try to re-install the previous version 4.14 to check what is going to happen.
Tks

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jmhome
PostPosted: Nov 18, 2008 - 10:25 PM
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Joined: Jan 28, 2007
Posts: 6
Location: Brazil

I'm back

I intalled again the version 4.14 and the the 4.15 as an update ( at first time I have removed the 4.14 version before to install the new 4.15). The Jungo's dll is installed by the software to control USB interface.So, do not remove the previus version befor install the new one.
So, I consider the issue solved.

Regards

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mogor
PostPosted: Nov 20, 2008 - 08:13 PM
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Joined: May 22, 2006
Posts: 136


Hi,

got the same (no wdapi811.dll). I installed 4.15 on fresh XP SP2 (AVRStudio was one of the first things I installed). I unchecked installation of USB driver.
Now using 4.14 but try install 4.15 on current install.
 
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port513
PostPosted: Dec 14, 2008 - 07:32 PM
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Joined: Feb 19, 2007
Posts: 44


I have the same problem with 4.15 and I'm using Vista Ultimate x64.
Will go back to 4.14 until they fix this annoying error!
 
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anachrocomputer
PostPosted: Dec 17, 2008 - 01:08 AM
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Joined: May 31, 2007
Posts: 4
Location: Bristol, UK

I've also just run into this bug! Bah! I'll have to downgrade to 4.14 and try again. All I wanted to do was upgrade from 4.11 to add support for the ATmega324, and now I can't program at all.
 
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steerex
PostPosted: Dec 17, 2008 - 01:39 AM
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Joined: Jan 07, 2007
Posts: 1


I just installed 4.15 on WIN 2000. For the first install I chose not to install the USB option. When running the app, I got the DLL error.

I reinstalled the app, without uninstalling anything, and selected to install the USB option. This time, it worked just fine. Problem resolved.

Hope this helps. SteveRob
 
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anachrocomputer
PostPosted: Dec 17, 2008 - 03:03 AM
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Joined: May 31, 2007
Posts: 4
Location: Bristol, UK

Thanks, SteveRob! I've just discovered exactly the same workaround! I uninstalled 4.15, installed 4.12 (I happened to have that version available), selected to install the USB support (even though I have no USB programmer), then upgraded to 4.15. During the upgrade, an extra step showed up, installing USB drivers. After that version 4.15 works fine. Hope this info will help others/help debug the problem.
 
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port513
PostPosted: Dec 17, 2008 - 07:08 AM
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Joined: Feb 19, 2007
Posts: 44


But do we really have to install USB drivers? Isn't that to force something you don't want?

Jungo crashed my old computer so I want to avoid that driver and since I'm not using it it's nothing I want!
 
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geir
PostPosted: Dec 17, 2008 - 09:01 AM
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Joined: Feb 26, 2004
Posts: 69
Location: Saupstad

Hello,

I've posted a bug report. Hopefully it will be fixed in the near future.
 
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flydave
PostPosted: Jan 18, 2009 - 10:28 AM
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Joined: Jan 17, 2009
Posts: 11


Have had the same error.

I've executed the install program , then i choosed "Modify" and on the next screen i choosed "Install usb drivers,etc,etc..".

After that, AVR Studio start without problems.
 
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port513
PostPosted: Jan 18, 2009 - 01:10 PM
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Joined: Feb 19, 2007
Posts: 44


flydave wrote:
Have had the same error.

I've executed the install program , then i choosed "Modify" and on the next screen i choosed "Install usb drivers,etc,etc..".

After that, AVR Studio start without problems.


Everyone doesn't want to polute the system with unwanted drivers.


/Henke
 
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gmkofman
PostPosted: Feb 02, 2009 - 07:51 PM
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Joined: Oct 19, 2008
Posts: 3


flydave wrote:
Have had the same error.

I've executed the install program , then i choosed "Modify" and on the next screen i choosed "Install usb drivers,etc,etc..".

After that, AVR Studio start without problems.


I am running WIN XP Pro SP3. After upgrading to 4.15 (from 4.14?) I had the same issue, and "Modify" followed by "Install USB ...." fixed my "starting" issue as well. Thanks for the tip!

GMK
 
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