Windows c twain 32 что это

By Timothy Tibbetts

on 09/05/2022


Twain_32.dll is a Dynamic Link Library (DLL) file containing information and instructions to work with executables (EXE) files. This DLL is an important part of Windows, allowing multiple programs to share a single DLL file instead of having numerous locations.

Twain_32.dll Errors

Some of the many errors that might have led you to this article include:

Cannot find twain_32.dll
twain_32.dll is missing
twain_32.dll is corrupted
twain_32.dll error loading
Cannot register twain_32.dll
twain_32.dll crash
twain_32.dll was not found
Failed to load twain_32.dll
twain_32.dll could not be located
twain_32.dll Access Violation
The procedure entry point twain_32.dll error

Is twain_32.dll a Virus or Malware?

Because twain_32.dll can occasionally give you an error, one might wonder what it is or if it is malware.

Normally, Twain32.dll is not a virus or malware. It should be located in C:\Windows, and be about 64KB in size. If you’re unsure about this, or you find twain_32.dll elsewhere, right-click on twain_32.dll and scan with Windows Defender.

Additionally, you should have a twain_32 folder in Windows. It should contain at least one file named wiatwain.ds.

Fixing twain_32.dll Errors

Numerous possibilities exist depending on your error and Windows software. Here are a few places to look.

First, you need to know what application is giving you a twain_32 error. You should know because you’ll get the error when running a program or using your printer.

You might need to reinstall the software that is causing the problem. In the case of a printer or scanner, removing and adding it might fix the problem.

Be sure to check for Windows Updates and look for any failed updates. You might also look for Optional Updates and see if anything coincides with your issue.

System File Checker might be able to repair or restore the twain_32.dll file. You should be able to open an elevated command prompt and type in sfc /scannow. If that fails, please follow the instructions here to do a complete scan.

If you know when the error started, you might be able to go back to an earlier Restore Point.

If you have a backup of all your personal files, you might need to reset your computer.

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The twain_32.dll file is a component of the Twain_32 Source Manager software package and the tech primarily deals with image acquisition. Twain_32.dll is responsible for generating new records and entries within the Windows Registry.

The actual image acquisition works with three main elements: the device, the Data Source Manager(DSM), and the Data Source (DS).

  1. Data Source: This is essentially the device driver and its software is to be provided by the manufacturer.
  2. Data Source Manager: This is the TWAIN manager for Data Source and it acts as a common mechanism for managing and using the various device drivers.
  3. Device: A device with which images can be developed using the TWAIN protocol. These devices include scanners, cameras, etc.

The software was created by the non-profit organization TWAIN and it was developed to streamline the means of communications between image acquisition devices, products like scanners that is used to scan the product and convert it into a digital image.

File Size and Location

This twain_32.dll program usually located in the C:\Windows folder and it is categorized as a Win32 DLL file type. It takes up around 64 KB of space. Here is how a genuine twain_32.dll file looks like.

twain_32.dll file location

However,  you may also find twain_32 folder on  your Windows 10/8/7 and it is safe.

Quick Overview

File name: Twain_32.dll
File description: Twain_32 Source Manger (Image Acquisition Interface)
File location: C:\Windows
File type: Application extension
File Size: 63.0 KB
File version: 1.7.1.3
Product version: 1.7.1.0

Possible Twain_32.dll Errors

If you are using a Canon, HP, or Epson Scanner then you may see Twain_32.dll error message. Here are most common errors that a Windows users might see on their system:

  • Access Violation at address – twain_32.dll.
  • Twain_32.dll could not be found.
  • The file twain_32.dll is missing or corrupted.

While DLL files do indeed make your system run more smoothly, however if you are using a unreliable software then third party software may pretend it as a twain_32.dll file.  That’s why it is very important to keep your system updated by downloading the  latest patches from Windows server.

Method I: Copy twain_32.dll from WinSxS folder

This is the best and proven method to fix the twain_32.dll error message. All you have to do is to follow the below steps:

1) Open C: drive

2) Go to C:\Windows\WinSxS\ folder and click on ‘x86_microsoft-windows-w..omponents.resources….‘ folder

3) There you can find ‘twain_32.dll’ file.

4) Copy it and paste it on C:\Windows folder

5) Now, restart the system

Your Windows 10 won’t show twain_32.dll error message anymore.

METHOD II: Reconfigure the Cache Icon

  1. Press the Windows + E button and click C drive from the left hand-side.
  2. Now find folder or files start with Twain, Twain_32.dll, Twunk, and delete it.
  3. Reboot Windows.
  4. The cache version will be automatically reconfigured.

METHOD III: Update Device Drivers

Sometimes due to corrupt device drivers, twain file may show error message. Here are the steps:

1) Type device manager on Windows search bar and click on it

Open device manager using Cortana

2) Now look for a device that is marked with yellow color.

3) Now, right-click the one that you think should be updated and click on Update driver

4) Now, choose the first option that says ‘Search automatically for updated driver software’ and then hit Update driver.

5) Once done then restart the system.

METHOD IV: Perform a Safe Boot

If all above method didn’t work out to fix twain_32.dll then try to restart your system in safe boot, here are the steps:

1) Sign in to your system as an administrator.

2) Press the Windows + R button, type msconfig and hit the enter button

3) Click on the Services tab and select Hide all Microsoft services. Be sure to disable all of them.

4) Now, Click on the Open Task Manager on the Startup tab of System Configuration.
For each startup item in the registry, select them and then hit

5) Now, close Task Manager and then reboot the system.

Read next:

  • What is gcapi.dll
  • Vcruntime140_1.dll
  • What is ntdll.dll

В этом разделе

Менеджер TWAIN устройств — это библиотека, которая служит мостом между TWAIN драйвером и пользовательским приложением (VintaSoft Twain .NET SDK).

Вот список существующих менеджеров TWAIN устройств для Windows:

  1. Файл TWAIN_32.DLL — 32-битный менеджер TWAIN устройств, который совместим с спецификацией TWAIN 1.x.

    Этот менеджер устройств позволяет работать только с 32-битными TWAIN драйверами 1.x и WIA драйверами.

    Обычно TWAIN_32.DLL находится в каталоге «C:\Windows\» и входит в дистрибутивный пакет всех версий Windows.
  2. Файлы TWAINDSM.DLL и TWAINDSM32.MSM — 32-битный менеджер TWAIN устройств, который совместим с спецификацией TWAIN 2.x.

    Этот менеджер устройств позволяет работать только с 32-битными TWAIN драйверами 1.x и 2.x.

    Стандартная установка Windows не содержит менеджер TWAIN устройств и менеджер устройств нужно установить вручную. На 32-битных системах файлы менеджера TWAIN устройств должны быть помещены в каталог «C:\Windows\System32\». На 64-битных системах файлы менеджера TWAIN устройств должны быть помещены в каталог «C:\Windows\SysWow64\».

    Последнюю версию этого менеджера устройств можно найти здесь: https://github.com/twain/twain-dsm/tree/master/Releases.
  3. Файлы TWAINDSM.DLL и TWAINDSM64.MSM — 64-битный менеджер TWAIN устройств, который совместим с спецификацией TWAIN 2.x.

    Этот менеджер устройств позволяет работать только с 64-битными TWAIN драйверами 2.x.

    Стандартная установка Windows не содержит менеджер TWAIN устройств и менеджер устройств нужно установить вручную. На 64-битных системах файлы менеджера TWAIN устройств должны быть размещены в каталоге «C:\Windows\System32\».

    Последнюю версию этого менеджера устройств можно найти здесь: https://github.com/twain/twain-dsm/tree/master/Releases.

Вот список существующих менеджеров TWAIN устройств для Linux:

  1. Файл TWAINDSM — 64-х битный менеджер TWAIN устройств, который совместим с спецификацией TWAIN 2.x.

    Стандартная установка Linux не содержит менеджер TWAIN устройств и менеджер устройств нужно установить вручную.

    Последняя версия менеджера TWAIN устройств может быть получена здесь: https://github.com/twain/twain-dsm/tree/master/Releases

    Инсталлятор устанавливает файл TWAINDSM в директорию «/Library/Frameworks/TWAINDSM.framework/».

Вот список существующих менеджеров TWAIN устройств для macOS:

  1. Файл libtwaindsm.so — 64-х битный менеджер TWAIN устройств, который совместим с TWAIN спецификацией 2.x.

    Стандартная установка macOS не содержит менеджер TWAIN устройств и менеджер устройств нужно установить вручную.

    Последняя версия менеджера TWAIN устройств может быть получена здесь: https://github.com/twain/twain-dsm/tree/master/Releases

    Инсталлятор устанавливает файл libtwaindsm.so в директорию «/usr/local/lib/».

Если SDK используется в 32-битном приложении для Windows:

  • SDK может использовать 32-битный менеджер TWAIN устройств (файл TWAINDSM.DLL), совместимый с TWAIN спецификацией 2.x
  • SDK может использовать 32-битный менеджер TWAIN устройств (файл TWAIN_32.DLL), совместимый с TWAIN спецификацией 1.x.

Если SDK используется в 64-битном приложении для Windows:

  • SDK может использовать 64-битный менеджер TWAIN устройств (файл TWAINDSM.DLL), совместимый с TWAIN спецификацией 2.x
  • SDK может использовать 32-битный менеджер TWAIN устройств (файл TWAINDSM.DLL), совместимый с TWAIN спецификацией 2.x.

    Важно: Пожалуйста, прочитайте, как использовать 32-битный TWAIN драйвер в 64-битном приложении здесь.

    Важно: Используйте 32-битный TWAIN драйвер в 64-битном приложении, только если TWAIN сканер не имеет 64-битного TWAIN драйвера.

Если SDK используется в 64-битном приложении для Linux:

  • SDK может использовать 64-битный менеджер TWAIN устройств (файл libtwaindsm.so), совместимый с TWAIN спецификацией 2.x.

Для работы с менеджером TWAIN устройств необходимо создать копию класса Vintasoft.Twain.DeviceManager. Тип менеджера TWAIN устройств можно установить с помощью свойства Vintasoft.Twain.DeviceManager.IsTwain2Compatible. Свойство Vintasoft.Twain.DeviceManager.IsTwainAvailable позволяет проверить, присутствует ли менеджер TWAIN устройств в системе. Свойство Vintasoft.Twain.DeviceManager.TwainDllPath позволяет определить пользовательский путь к менеджеру TWAIN устройств.

Вот C#/VB.NET код, который демонстрирует, как проверить, установлен ли в системе менеджер TWAIN устройств:

/// <summary>
/// Checks that TWAIN device manager is installed in the system.
/// </summary>
void CheckTwain()
{
    bool isTwainAvailable = false;

    // create the device manager
    using (Vintasoft.Twain.DeviceManager deviceManager = new Vintasoft.Twain.DeviceManager())
    {
        // specify that TWAIN device manager 2.x must be used
        deviceManager.IsTwain2Compatible = true;
        // if TWAIN device manager 2.x is available
        if (deviceManager.IsTwainAvailable)
        {
            System.Console.WriteLine("TWAIN device manager 2.x is available.");
            isTwainAvailable = true;
        }

        // specify that TWAIN device manager 1.x must be used
        deviceManager.IsTwain2Compatible = false;
        // if TWAIN device manager 1.x is available
        if (deviceManager.IsTwainAvailable)
        {
            System.Console.WriteLine("TWAIN device manager 1.x is available.");
            isTwainAvailable = true;
        }

        // if TWAIN device manager is NOT available
        if (!isTwainAvailable)
            System.Console.WriteLine("TWAIN device manager is NOT available.");
    }
}

''' <summary>
''' Checks that TWAIN device manager is installed in the system.
''' </summary>
Private Sub CheckTwain()
        Dim isTwainAvailable As Boolean = False

        ' create the device manager
        Using deviceManager As New Vintasoft.Twain.DeviceManager()
                ' specify that TWAIN device manager 2.x must be used
                deviceManager.IsTwain2Compatible = True
                ' if TWAIN device manager 2.x is available
                If deviceManager.IsTwainAvailable Then
                        System.Console.WriteLine("TWAIN device manager 2.x is available.")
                        isTwainAvailable = True
                End If

                ' specify that TWAIN device manager 1.x must be used
                deviceManager.IsTwain2Compatible = False
                ' if TWAIN device manager 1.x is available
                If deviceManager.IsTwainAvailable Then
                        System.Console.WriteLine("TWAIN device manager 1.x is available.")
                        isTwainAvailable = True
                End If

                ' if TWAIN device manager is NOT available
                If Not isTwainAvailable Then
                        System.Console.WriteLine("TWAIN device manager is NOT available.")
                End If
        End Using
End Sub

Вот C#/VB.NET код, который демонстрирует, как использовать 32-битные драйверы TWAIN и WIA в 32-битном приложении:

/// <summary>
/// Shows a list of 32-bit TWAIN and WIA drivers in 32-bit application.
/// </summary>
/// <remarks>
/// This code must be used in 32-bit application.
/// </remarks>
void Use32BitTwainAndWiaDriversIn32BitApplication()
{
    // create the device manager
    using (Vintasoft.Twain.DeviceManager deviceManager = new Vintasoft.Twain.DeviceManager())
    {
        // specify that TWAIN device manager 1.x must be used
        deviceManager.IsTwain2Compatible = false;

        // open the device manager
        deviceManager.Open();

        // show a dialog for selecting 32-bit TWAIN or WIA driver
        deviceManager.ShowDefaultDeviceSelectionDialog();
    }
}

''' <summary>
''' Shows a list of 32-bit TWAIN and WIA drivers in 32-bit application.
''' </summary>
''' <remarks>
''' This code must be used in 32-bit application.
''' </remarks>
Private Sub Use32BitTwainAndWiaDriversIn32BitApplication()
        ' create the device manager
        Using deviceManager As New Vintasoft.Twain.DeviceManager()
                ' specify that TWAIN device manager 1.x must be used
                deviceManager.IsTwain2Compatible = False

                ' open the device manager
                deviceManager.Open()

                ' show a dialog for selecting 32-bit TWAIN or WIA driver
                deviceManager.ShowDefaultDeviceSelectionDialog()
        End Using
End Sub

Вот C#/VB.NET код, который демонстрирует, как использовать 32-битные TWAIN драйверы в 64-битном приложении:

/// <summary>
/// Shows a list of 32-bit TWAIN drivers in 64-bit application.
/// </summary>
/// <remarks>
/// This code must be used in 64-bit application.
/// </remarks>
void Use32BitTwainDriversIn64BitApplication()
{
    // create the device manager
    using (Vintasoft.Twain.DeviceManager deviceManager = new Vintasoft.Twain.DeviceManager())
    {
        // specify that TWAIN device manager 2.x must be used
        deviceManager.IsTwain2Compatible = true;
        // specify that 64-bit TWAIN device manager 2.x must use 32-bit devices
        deviceManager.Use32BitDevices();

        // open the device manager
        deviceManager.Open();

        // show a dialog for selecting 32-bit TWAIN driver
        deviceManager.ShowDefaultDeviceSelectionDialog();
    }
}

''' <summary>
''' Shows a list of 32-bit TWAIN drivers in 64-bit application.
''' </summary>
''' <remarks>
''' This code must be used in 64-bit application.
''' </remarks>
Private Sub Use32BitTwainDriversIn64BitApplication()
        ' create the device manager
        Using deviceManager As New Vintasoft.Twain.DeviceManager()
                ' specify that TWAIN device manager 2.x must be used
                deviceManager.IsTwain2Compatible = True
                ' specify that 64-bit TWAIN device manager 2.x must use 32-bit devices
                deviceManager.Use32BitDevices()

                ' open the device manager
                deviceManager.Open()

                ' show a dialog for selecting 32-bit TWAIN driver
                deviceManager.ShowDefaultDeviceSelectionDialog()
        End Using
End Sub

Вот C#/VB.NET код, который демонстрирует, как использовать 64-битные TWAIN драйверы в 64-битном приложении:

/// <summary>
/// Shows a list of 64-bit TWAIN drivers in 64-bit application.
/// </summary>
/// <remarks>
/// This code must be used in 64-bit application.
/// </remarks>
void Use64BitTwainDriversIn64BitApplication()
{
    // create the device manager
    using (Vintasoft.Twain.DeviceManager deviceManager = new Vintasoft.Twain.DeviceManager())
    {
        // specify that TWAIN device manager 2.x must be used
        deviceManager.IsTwain2Compatible = true;

        // open the device manager
        deviceManager.Open();

        // show a dialog for selecting 64-bit TWAIN driver
        deviceManager.ShowDefaultDeviceSelectionDialog();
    }
}

''' <summary>
''' Shows a list of 64-bit TWAIN drivers in 64-bit application.
''' </summary>
''' <remarks>
''' This code must be used in 64-bit application.
''' </remarks>
Private Sub Use64BitTwainDriversIn64BitApplication()
        ' create the device manager
        Using deviceManager As New Vintasoft.Twain.DeviceManager()
                ' specify that TWAIN device manager 2.x must be used
                deviceManager.IsTwain2Compatible = True

                ' open the device manager
                deviceManager.Open()

                ' show a dialog for selecting 64-bit TWAIN driver
                deviceManager.ShowDefaultDeviceSelectionDialog()
        End Using
End Sub

Файл twain_32.dll считается разновидностью DLL-файла. DLL-файлы, такие как twain_32.dll, по сути являются справочником, хранящим информацию и инструкции для исполняемых файлов (EXE-файлов), например 3DViewer.ResourceResolver.exe. Данные файлы были созданы для того, чтобы различные программы (например, Windows) имели общий доступ к файлу twain_32.dll для более эффективного распределения памяти, что в свою очередь способствует повышению быстродействия компьютера.

К сожалению, то, что делает файлы DLL настолько удобными и эффективными, также делает их крайне уязвимыми к различного рода проблемам. Если что-то происходит с общим файлом DLL, то он либо пропадает, либо каким-то образом повреждается, вследствие чего может возникать сообщение об ошибке выполнения. Термин «выполнение» говорит сам за себя; имеется в виду, что данные ошибки возникают в момент, когда происходит попытка загрузки файла twain_32.dll — либо при запуске приложения Windows, либо, в некоторых случаях, во время его работы. К числу наиболее распространенных ошибок twain_32.dll относятся:

  • Нарушение прав доступа по адресу — twain_32.dll.
  • Не удается найти twain_32.dll.
  • Не удается найти C:\Windows\twain_32.dll.
  • Не удается зарегистрировать twain_32.dll.
  • Не удается запустить Windows. Отсутствует требуемый компонент: twain_32.dll. Повторите установку Windows.
  • Не удалось загрузить twain_32.dll.
  • Не удалось запустить приложение, потому что не найден twain_32.dll.
  • Файл twain_32.dll отсутствует или поврежден.
  • Не удалось запустить это приложение, потому что не найден twain_32.dll. Попробуйте переустановить программу, чтобы устранить эту проблему.

Файл twain_32.dll может отсутствовать из-за случайного удаления, быть удаленным другой программой как общий файл (общий с Windows) или быть удаленным в результате заражения вредоносным программным обеспечением. Кроме того, повреждение файла twain_32.dll может быть вызвано отключением питания при загрузке Windows, сбоем системы при загрузке twain_32.dll, наличием плохих секторов на запоминающем устройстве (обычно это основной жесткий диск) или, как нередко бывает, заражением вредоносным программным обеспечением. Таким образом, крайне важно, чтобы антивирус постоянно поддерживался в актуальном состоянии и регулярно проводил сканирование системы.

Before getting scared by the presence of the twain_32.dll file on our computer, we must know that it is a file that belongs to the system and should not be confused with a virus or Trojan. Next, we explain what this file consists of and what it is used for in Windows.

What is the Twain_32.dll File

Twain_32.dll is a file that is an integral part of Windows and contains information and instructions for working with executable EXE files. It is part of the software Twain_32 Source Manager and it deals mainly with the acquisition of images, being responsible for generating our registries and entries within the Windows Registry.

The software was created by the non-profit organization TWAIN and is generally located in the folder C: / Windows. Its goal is to streamline communication between imaging devices such as scanners, which are used to scan an image and convert it to a digital image.

It is also possible to find a folder named twain_32 where all kinds of information about our printer’s scanners and drivers are stored within the operating system. That is why it is important that we do not move or delete this folder as it can cause operating problems on our computer.

The twain_32.dll process it is a safe file which allows the system and linked softwares to run smoothly. However, if we use insecure third-party programs, they could download an unwanted file such as twain_32.dll, so it is important to always keep Windows updated with the latest available patches.

Fix this dll file error

Sometimes the system may show an error related to the twain_32.dll process. The most common errors are “Cannot access the address: twain_32.dll”, “Twain_32.dll not found” or “The file twain_32.dll is missing or damaged”. In the event that any of these errors appear, we are going to show you some methods that we have available to be able to solve it from the operating system itself.

Copy twain_32.dll from WinSxS folder

To correct any errors related to this file, the best option is to copy it back from the WinSxS folder in Windows to its current location. To do this, the first thing we must do is open the File Explorer and navigate to the path

C: / Windows / WinSxS / x86_microsoft-windows-w..omponents.resources…

Find twin_32 file in Windows

We double click on the folder x86_microsoft-windows-w..omponents.resources… and inside we will find the file twain_32.dll. Click on it with the right button and click on «Copy» within the contextual menu. Now we go back to the C: / Windows folder and paste it. Finally, we reboot the system and Windows 10 should not show any error message twain_32.dll.

Update the drivers

The reason why we encounter errors related to the twain file may be caused by the presence of corrupt drivers on our device. That is why to solve the problem it will be enough to update those that present problems.

This is something we can do from the Device Manager, accessing it by pressing the keyboard shortcut “Windows + X” and selecting it from the list. Once in the window we must look for any device that appears marked in yellow. This tells us that there is a problem with the device driver. Next, we right-click on the device and select the option “Update driver”.

Update Intel USB 3.1 eXtensible Host Driver - 1.10

This will open a new window where we will choose the first option «Search for drivers automatically». We can also choose to download the drivers from the manufacturer’s website and use the “Browse my PC for drivers” option to update them manually. Once finished, we restart the system and verify that the error has disappeared.

Run the system file checker

In order to restore the damaged or missing twain_32.dll file we can use the system file checker. For this we can use the sfc command, a system file buyer that takes care of scanning all protected system files and automatically repairing any problematic system files. We can run it using the Command Prompt tool.

When opening the Command Prompt we write cmd in the search box of the Start menu and select to run as administrator. Once the Command Prompt window appears, we must copy the following command:

sfc/ scannow

Sfc command prompt

We press Enter and it will start to run. This work can take a long period of time so we must wait until the tool completes completely. Once finished, we restart Windows and check if the problem has been solved.

Perform a safe system boot

If we still cannot solve the error, we can try to perform a safe boot of the system, for which it will be necessary that we have logged in as an administrator. We press the keyboard shortcut «Windows + R», we write msconfig and press Enter.

This will open a “System Configuration” window. We click on the “Services” tab and select “Hide all Microsoft services.”

Hide all Microsoft services

Later we click on the “Windows Start” tab and select “Open the Task Manager”. For each starting element we select them and press «Disable». We close the task manager and restart the system.

Disable startup applications

Restore Windows to a previous version

If none of the above has worked and an error related to twain_32.dll continues to appear, we can try restore windows to a version prior to the appearance of this error. We must know that when we go back to a previous version of Windows we do not have to lose our data. This is so because the wizard itself when restoring will offer us the possibility of maintaining them.

To do this we must write system restore in the search box of the Start menu and select “Recovery”. In the new window we select “Open System Restore”, so that it undoes the changes made recently in the system, but without modifying the documents, the images or the music.

Open restore Sistem

This will bring up the wizard from where we can access the latest available recovery date where there was no error related to the twain_32.dll file. After the system is restored, the computer will restart and the error should disappear.

Restore the system to a previous version

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