Error finding installer class matlab что делать

After starting the installation, I receive the following error message: ERROR: Error finding installer class This error may also manifest as: ERROR: Invalid disk Cannot find appropriate...

Why do I receive a message stating «Error finding installer class» when trying to install MATLAB on Windows?

MathWorks Support Team

After starting the installation, I receive the following error message:

Error finding installer class

This error may also manifest as:

Invalid disk

Cannot find appropriate setup.exe file.

Accepted Answer

MathWorks Support Team

There are several circumstances which may cause this error:

  • Non-ASCII characters (e.g. !@#$&^?) are present in the path to the MATLAB installation folder, or the name of the folder itself
  • Non-ASCII characters are present in the path to the Windows TEMP folder, the name of the TEMP folder itself, or the values of the TEMP and/or TMP environment variables
  • Non-ASCII characters are present in the path to the folder containing the MATLAB installer, or the name of the folder itself
  • There is a problem with the installation files (damaged DVD, corrupt or incomplete downloads)
  • MATLAB is already installed and you are running the setup.exe from the installation folder/directory

To resolve this issue:

Verify that the MATLAB installer is in a folder that contains ASCII characters only, and/or move the folder to the root of your C drive.

If the installer launches, verify that you are installing MATLAB into a folder with ASCII characters only.

Verify that the Windows TEMP and TMP environment variables contain ASCII characters only.

Windows 7:

  1. Right click on “Computer” and select “Properties”
  2. Click on “Advanced Settings” on the left side
  3. Click “Yes” if User Account Control prompt asks “Allow changes”)
  4. Click on the “Environment Variables” button (bottom)

Windows 8.1:

  1. Right click on “This PC” and select “Properties”
  2. Click on “Advanced Settings” on the left side
  3. Click “Yes” if User Account Control prompt asks “Allow changes”)
  4. Click on the “Environment Variables” button (bottom)

Windows 10:

  1. Type “environment variable” into the search field and select “Edit the system environment variables” to open System Properties
  2. Click “Yes” if User Account Control prompt asks “Allow changes”)
  3. Click “Environment Variables” button (bottom)

Check the TMP and TEMP variables under both System and User. If the variable is set to a value between percent signs (e.g. %TMP%) or to a path containing only ASCII characters, then the variable does not need to be modified.

If either of the variables are set to values that contain non-ASCII characters (e.g. !@#$&^?), the variables must be modified. To do so, double click on the variable or highlight it and choose “Edit”.

After modifying variables, restart the computer and try running the MATLAB installer again.

Run the MATLAB installer in Windows Safe mode.

If the installation folder and the TEMP/TMP folders all contain only ASCII characters, try running the MATLAB installer in Windows Safe Mode with networking. To boot your computer into safe mode, follow the steps below.

Windows 7:

  1. Open the Start menu
  2. Type msconfig and press enter
  3. Click on the tab labeled “Boot”
  4. Check the box labeled “Safe boot”
  5. Click the button labeled “Network”
  6. Restart your computer

Windows 8.1:

  1. Press the “Start” button
  2. Right click on the power button in the lower right
  3. Hold shift and click on “Restart”
  4. Click on “Troubleshoot”
  5. Click on “Advanced options”
  6. Click on “Windows Startup Settings”
  7. Click on “Restart”
  8. After your computer restarts, enter the number “5”

Windows 10:

  1. Open the Start menu
  2. Click “Power”
  3. Hold shift and click on “Restart”
  4. Click on “Troubleshoot”
  5. Click on “Advanced options”
  6. Click on “Windows Startup Settings”
  7. Click on “Restart”
  8. After your computer restarts, enter the number “5”

Use different installation files

If the installer does not work after the workarounds above, the installer may be corrupt. Redownload the installation files from the MathWorks website and clear the installer’s download cache by deleting the “MathWorks” folder in your “Downloads” folder.


More Answers (13)

Peter Mortensen

We had the same issue… We got the message as attached. First we checked the Enviromental Variables and found that there were not used any signs in the text like !@ and so on. So that was NOT the issue in our case.

Downloading the file and running it from the «Downloads» folder on Windows computer turned out to be the reason for this error warning. We simply dragged the «_temp_matlab_R2016a_win64» into the root folder «C:Program Files» and tried to run the program through the «C:Program Files_temp_matlab_R2016a_win64setup.exe» file within the folder.

This made it and we got into the installation process.

The installation process will take quite a while. It will download and install each function seperately, and currently we are at 20% of downloading MATLAB Compiler… So expect some time — turn on the TV and make a cup of coffee while you wait. This is way further than we got previosuly and expect it to work fully..

Good luck to you all out there :)

Andre

Hi,

the autoinstaller extracts into a Directory starting with «./_temp», ie. it tries to create an install Directory at the current directory. To me it seems that it doesn’t look after the environment variables. You can copy the downloaded installer into eg. c:Temp and then start a command prompt Switch to c:Temp and run the installer from within the command prompt window. This will extract the temporary files and run the installer in GUI mode and works flawlessly.

Cheers

João Sarabando

Hello, I`ve already tried all the solutions and they didn`t work. I`m trying to install r2015 in windows 8.1 64bits. Can anyone please help me?

S.Hassan Al-Mosawi

Jaeho

Hello Thanks for the recommendations. I just moved the directory installation files to TEMP and my installation is running. Emerson Brandao

Manuel Lopez

Andre Beaulieu

I succeeded by saving the download on the computer and then by moving the saved directory in the c:. Finally I double clicked on Setup and EUREKA !

Artem Nikiforov

Hello, people. Nothing works. I do not know what to do.

<<

>>

Balint Szili

The installer should be updated, I have accents in my user name, and therefore in the standard path, too.

Muaaz Tariq

I have tried all the mentioned solutions, but I am still getting the same error on 2015 Matlab installtion. Any other solution?

Riyadh Alqamati

Place the file in the disk (c or d) where the operating system is located, then run it

Juan Martin Maffi

Hello everyone,

I am still having this problem and have tried all suggested solutions. Do you have any other ideas? I am installing Matlab R2018a on a Win 7 x64.

Many thanks

Utsha Sen

Hey there, My problem is quite different from everyone. I’ve installed it correctly & was working with it. But I was facing issues while adding on toolboxes. so I decideemd to uninstall it. But it ain’t uninstalling. I’ve tried several times, but its giving me the same error messege «Error Finding Class». Help me out please!

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Ошибка "Error finding installer class" при установке Matlab что делать?

Как исправить ошибку Error finding installer class при установке Matlab?

Многим инженерам, проектировщикам и программистам хорошо знаком программный комплекс Matlab, позволяющий писать программы с использованием собственного языка программирования.

У многих при попытке его установить появляется ошибка с заголовком “Installer Error”, а дальше текст ошибки “Error finding installer class  An exception occured while looking for class”. Причем происходит это вне зависимости от версии Matlab и версии операционной системы.

В данной статье вы узнаете почему появляется эта ошибка, не дающая установить Matlab на ваш компьютер, а также что сделать, чтобы данную ошибку исправить.

Почему появляется “Error finding installer class”?

Причины появления данной ошибки заключаются в том, что в пути расположения установочного файла Matlab присутствуют кириллические символы (русские).

Что это значит?

К примеру вы скачали установочный файл Matlab на диск D, в папку с названием “Загрузки”. И путь к установщику выглядит так: D:/Загрузки. При таком его расположении при попытке запустить установку Matlab вы получите известную ошибку “Error finding installer class”.

Как исправить ошибку при установке Matlab?

Чтобы исключить ошибку “Error finding installer class” нужно расположить установочные файлы (папку с установочными файлами) по пути, не содержащем русских символов. Например вместо D:/Загрузки или C:/Users/Иван/Decktop (Рабочий стол) переместить установочный пакет на диск D:/123 или C:/install.

После этого запускаете установку желательно от имени администратора и спокойно устанавливаете Matlab на свой компьютер, минуя ошибку “Error finding installer class”.

Лучшая благодарность автору — репост к себе на страничку:

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  1. Ошибка “Error finding installer class” при установке Matlab что делать?
  2. Не запускается автокад. Параллельная конфигурация неправильна
  3. MSVCR100.dll не обнаружен. Пожалуйста, установите нужные библиотеки
  4. Что за файл msvbvm50.dll и где его скачать?
  5. Как исправить ошибку “Error finding installer class” при запуске установки Matlab?
  6. Почему появляется “Error finding installer class”?
  7. Как исправить ошибку при установке Matlab?
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Ошибка “Error finding installer class” при установке Matlab что делать?

Как исправить ошибку Error finding installer class при установке Matlab?

Не запускается автокад. Параллельная конфигурация неправильна

MSVCR100.dll не обнаружен. Пожалуйста, установите нужные библиотеки

Что за файл msvbvm50.dll и где его скачать?

Как исправить ошибку “Error finding installer class” при запуске установки Matlab?

Многим инженерам, проектировщикам и программистам хорошо знаком программный комплекс Matlab, позволяющий писать программы с использованием собственного языка программирования.

У многих при попытке его установить появляется ошибка с заголовком “Installer Error”, а дальше текст ошибки “Error finding installer class An exception occured while looking for class”. Причем происходит это вне зависимости от версии Matlab и версии операционной системы.

В данной статье вы узнаете почему появляется эта ошибка, не дающая установить Matlab на ваш компьютер, а также что сделать, чтобы данную ошибку исправить.

Почему появляется “Error finding installer class”?

Причины появления данной ошибки заключаются в том, что в пути расположения установочного файла Matlab присутствуют кириллические символы (русские).

К примеру вы скачали установочный файл Matlab на диск D, в папку с названием “Загрузки”. И путь к установщику выглядит так: D:/Загрузки. При таком его расположении при попытке запустить установку Matlab вы получите известную ошибку “Error finding installer class”.

Как исправить ошибку при установке Matlab?

Чтобы исключить ошибку “Error finding installer class” нужно расположить установочные файлы (папку с установочными файлами) по пути, не содержащем русских символов. Например вместо D:/Загрузки или C:/Users/Иван/Decktop (Рабочий стол) переместить установочный пакет на диск D:/123 или C:/install.

После этого запускаете установку желательно от имени администратора и спокойно устанавливаете Matlab на свой компьютер, минуя ошибку “Error finding installer class”.

Лучшая благодарность автору — репост к себе на страничку:

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There are a few reasons the MathWorks installer might fail to run on Windows without displaying an error message or creating a crash logs:

  • System Requirements
  • Security Software
  • Administrative Permissions
  • Corrupt Installer
  • Path Contains Non-ASCII or Accented Characters
  • Located on a Network Drive

System Requirements

Your computer may not meet the system requirements for the release of MATLAB or other MathWorks product you are attempting to install. See the system requirements page for more information:

Security Software

Some security software will interpret the MathWorks installer as a false positive, and prevent the installer from running. To resolve this issue, add the MathWorks installer to your program whitelist, or temporarily disable your security software.

You may need to contact your system administrator to modify your security software settings. If you are unable to change your security settings then you can boot your computer into Safe Mode with networking which will suppress your security software as long as the computer is in Safe Mode.

Note: Before booting in Safe Mode, verify that BitLocker is not enabled on the machine. BitLocker will prevent startup in Safe Mode.

Administrative Permissions

You must be a local administrator to install MATLAB. If you are not a local administrator, contact your system administrator for assistance.

Corrupt Installer

If the installer fails to launch and provides no error message, the installer may be damaged or corrupt. This may happen because network security software modified the file in transit: however it could just be random corruption.

If you suspect the installer is damaged or corrupt, redownload the installer from the MathWorks website.

Path Contains Non-ASCII or Accented Characters

If your MathWorks Installer is located on a path that contains non-ASCII or accented characters, the MathWorks Installer may not launch.  This will most likely be the case if your username has a non-ASCII or accented character and the MathWorks Installer is located in the user’s Downloads folder.

To launch the installer, move the Installation files to the root of your C drive.

Located on a Network Drive

This issue could be caused if you are running the MathWorks installer from a Network Drive due to lack of permissions. To resolve, download the installer on a local drive and run it from that location.

Contact Us

If none of these suggestions enable you to run the MathWorks installer, please contact MathWorks support:

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Diego

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Зарегистрирован: Ср окт 27, 2010 6:49 pm

Ошибка при установке Matlab r2010a

Помогите пожалуйста. не знаю в чем дело и как это устранить. при запуске установки вылазиет окно с ошибкой следующего содержания: заголовок «Installer Error», текст ошибки «Error finding installer class

An exception occured while looking for class».

Раньше работала версия 2009. Затем вроде как обновил Java на ПК. После даже удалить не смог 2009 как положенно. Вылазила эта ошибка. Удалил пассивно, через Program Files. Решил установить 2010, и тут был очень удивлен..

на ПК Windows 7 x64..

sandy

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Сообщения: 5601
Зарегистрирован: Ср сен 22, 2004 4:49 pm

Сообщение sandy » Чт окт 28, 2010 8:46 am

С уважением

Александр Сергиенко

a44

Пользователь
Сообщения: 85
Зарегистрирован: Чт мар 15, 2012 11:31 am

Сообщение a44 » Чт окт 04, 2012 12:30 pm

Столкнулся с этой же проблемой.

Решение, однако, оказалось довольно простым — путь к инсталятору MATLABа не должен содержать кириллических символов. Например, из «c:/1» запустился корректно.

qwerty

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Re: Ошибка при установке Matlab r2010a

Сообщение qwerty » Вт сен 01, 2015 4:22 pm

2015 год, проблема одна и таже, русские буквы в пути, жесть

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Open

Sol1du2 opened this issue

May 11, 2022

· 6 comments

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@Sol1du2

I am having some trouble installing MatLab via the provided installer, on Windows 11.

I tried moving the installer to a shorter and simpler path as suggested after googling the error (some users point to the possibility of the error being due to non ascii characters in the path) but to no avail. A screenshot of the error is below. It pops up pretty much immediately after starting the installer.

matlab error

@Sol1du2

Nevermind it seems the issue is indeed non ascii characters but in the user folder, not specifically where the installer is. Changing my username folder to only ascii characters resolved the issue (no matter where I started the installer from).

This might also not be exclusive to win11. Not sure if this is a MatLab problem or something that could be fixed. If it’s MatLab’s then this can be closed

@bw1129

How long ago did you grab v0.55? That issue was fixed recently and just re-uploaded to 0.55

@Sol1du2

How long ago did you grab v0.55? That issue was fixed recently and just re-uploaded to 0.55

A few minutes before my original post.

Hm, unfortunately after installing I can not start it. The splash screen comes up and then it just closes

@bw1129

Read the ‘README_PLEASE.txt’ very carefully

@Sol1du2

I did but I’m still failing to see why it doesn’t start 😆

@bw1129

Find me on Facebook messenger and I’ll talk you through it

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@Sol1du2

@bw1129

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