logon user interface dlliwpdgina.dll failed t

February 3, 2011 at 21:26:00
Specs: Windows XP Media Center Edition 2005
Hard booted earlier today when my laptop running win xp media / sp3 hung.

When I boot now I get a blue screen with the error mesage above and i am told to replace the dll file mentioned.
I am afraid that "if" I find the dll file, copy and paste it I will just get another error with another dll file that somehow was either eliminated or corrupted.
I have critical data on my c drive that I cannot or hope I do not have to lose.
Is there a fix for this?
David G in Los Angeles,

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February 3, 2011 at 21:41:48
It's NOT a good idea to leave your email address in a post on the web - there are malicious people and malicious programs that are constantly looking for email address to abuse. You should delete it.
You can Edit any of your own posts on this web site, for a limited time, by clicking on the icon that looks like notepad at the top of your posts.

"I have critical data on my c drive that I cannot or hope I do not have to lose."

Do you have any idea how often we hear similar ?

If it's that critical, you make at least one copy of it and have it on at least two different physical devices !

You can usually access the hard drive and copy the data you don't want to lose to elsewhere, even if you can't get Windows to work properly, e.g. by booting the computer from a Linux CD.

I have XP MCE 2005 on one of my computers, and there is no dlliwpdgina.dll on it anywhere on C, so it's probably not built into a normal installation of MCE 2005 itself !
Did you type that right ?

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February 3, 2011 at 22:18:32
Tell us the make and model of your brand name system.

The specific model of a brand name system is shown on a label on the outside of the case somewhere, or it can often be determined by going to the brand name's web site and loading a program they have available, if Windows is still working, on the subject computer.
For Dell computers, they have a Service Tag number - the specific model can be determined by using that on their site, or can often be determined there automatically by you downloading some software, if Windows is still working, on the subject computer. The Service Tag number should be on a label on the outside of the case, probably on the bottom on a laptop, often but not always on the back on a desktop, and is often also shown in the bios Setup.

For Dell computers...
Go here for how to find the Service tag "number":

Tell us what it is.

The message was probably about DLL IWDPAGINA.DLL, as in,


The Default Windows Logon Interface May Not Appear After Installing Third-Party Program http://support.microsoft.com/kb/302346

Winlogon may fail if the third-party Gina.dll file is missing or corrupted http://support.microsoft.com/kb/164486

You probably have an Intel wireless adapter and something in it's software is corrupted or missing - it isn't necessarily IWDPAGINA.DLL - sometimes Windows generates a false message when it can't tell you what the problem is.

Try this

Remove any bootable CDs or DVDs from drives.
Press F8 repeatedly while booting, do not hold down the key, starting very early in the boot sequence.
When the boot choices menu appears (white text on a black screen), choose Safe mode.
If that gets you to the desktop screen, go to Device Manager and look under Network Adapters - there is probably the name of an Intel wireless adapter there. Copy it down. Tell us what it's name is.
(RIGHT click on My Computer - Properties - Hardware - Device Manager)
Does it have a yellow ? or a red X beside it ?

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February 5, 2011 at 03:22:01
Thank you for your reply.
I've been under extreme pressure lately and usually I have at least 3 backup locations for my data generally let alone criitical data.
Unfortunately I do not see the notepad at the top of my post so I'm going to have to delete my post and re-submiit it.
My son the IT who works for the EPA helped me last night and he found an .exe prog "just" to repair this particular dll error, hand grenade that accidentaly was lobbed into my system, so it is corrected. There are numerous posts in google listing my exact problem so I'm going to provide the name of the .exe that corrected the problem.
Operating at a deficit mentally was behind my problem.
I was out ot lunch when the problem occurred.

XP Fix logon.exe is the name of the file that corrects the iwpdgina.dll problem.
Installing an Intel upgrade modified my bios that altered the settings from using IDE to AHCI in the bios configuration. Once I corrected that and executed the .exe prog the situation was repaired.

Thanks... I'm going to delete my post if I know you got this message and I will remember your advice and never list that again.
Thanks again very much for taking the time to assist me.

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February 5, 2011 at 07:04:25
The problem of not being able to Edit the first post in a Topic after at least one response post appears has been a problem - I was recently told by someone else who answers here regularly that the problem had been fixed, but apparently it hasn't.

If you send a PM (Personal Message) to OtheHill and include the link to this topic, he is one of the moderators of the web site and he can delete the email address for you.

It's good that your son was able to help you fix your problem.

"Installing an Intel upgrade modified my bios that altered the settings from using IDE to AHCI in the bios configuration."

?? Normally, only bios updates, or you changing them, or what the bios does automatically according to the hardware it detects, can modify the bios settings (the only exceptions to that I know of are changing the date and time in the operating system will usually change them in the bios too, and there are viruses that can modify the bios but they're very rare these days).
That probably had nothing to do with the iwpdgina.dll problem.
The ability to set the bios so the SATA drive controller is in IDE or AHCI mode was probably already there, going by what I've seen in the bios settings for Intel brand mboards. It's usually set to IDE mode (IDE compatible mode) by default, but can be changed at any time to AHCI mode (plain SATA mode) which allows for a higher burst data transfer speed, of 150mbytes/sec or 300mbytes/sec depending on the SATA capability of the main chipset and the hard drive, rather than the max 133mbytes/sec IDE mode allows for. If the Intel main chipset is cable of SATA RAID, you have to load drivers for that if you want to use that feature.

On the other hand, your son probably knows a lot more than I do - I have learned all I know about computers without taking any formal courses or training.

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