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Problem with outsystems platform
Question
I installed windows 10, now when i open outsystems i get this message...


Screenshot 2015-08-06 15.35.51.png
2012-03-16 12-21-09
João Rosado
Staff
Solution
Hi Alexandre,

Can you try installing this and tell us if it helped: https://www.microsoft.com/en-us/download/details.aspx?id=30679
When it asks to choose a file use the "vcredist_x86.exe" one.

(it should be installed automatically by the Development Environment installer ...but just do it manually to confirm)

Regards,
João Rosado
2020-03-05 15-52-45
André Vieira
Staff
Hi Alexandre,

What version of Service Studio are you using?
2020-11-06 18-30-41
Paulo Duarte Ferreira
Staff
Hi Alexandre,

Do you get that message right after opening Service Studio? Or after opening a particular editor (e.g. editing a Web Screen)?

Regards,
Paulo Ferreira
2020-03-16 12-29-58
Alexandre Reis
I've just installed the latest version of Service Studio. Still the same error. Opening it.
2020-03-16 12-29-58
Alexandre Reis
Isto ajuda?


System.Windows.Markup.XamlParseException: The invocation of the constructor on type 'ServiceStudio.WPFExtensions.WebView' that matches the specified binding constraints threw an exception. ---> System.IO.FileNotFoundException: Could not load file or assembly 'CefSharp.dll' or one of its dependencies. The specified module could not be found.
   at ServiceStudio.WPFExtensions.WebView..ctor()
   --- End of inner exception stack trace ---
   at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
   at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri)
   at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
   at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
   at ServiceStudio.ViewImplementation.OutSystemsPage.InitializeComponent()
   at ServiceStudio.ViewImplementation.OutSystemsPage..ctor()
   at ServiceStudio.ViewImplementation.CustomWorkspace.ViewAdapter.ServiceStudio.View.ICustomWorkspaceView.CreateOutSystemsPageView()
   at ServiceStudio.Presenter.CustomWorkspacePresenter.set_ActivePageType(CustomWorkspacePageType value)
   at ServiceStudio.Presenter.AggregatorWindowPresenter..ctor(IAggregatorWindowView view)
   at ServiceStudio.Presenter.RuntimeImplementation.#MZk2.#87n()
   at ServiceStudio.WPFExtensions.WpfExtensions.ExecuteInUIThread[ReturnType](Application app, Func`1 action)
   at ServiceStudio.ViewImplementation.WPFViewImplementationProvider.ExecuteInUIThread[ReturnType](Func`1 action)
   at ServiceStudio.Presenter.RuntimeImplementation.CreateAggregatorWindow(Pair`2 windowCoordinates)
   at ServiceStudio.Presenter.RuntimeImplementation.#win(AutoLoginType autoLoginType)
   at ServiceStudio.Presenter.Commands.CommandLineProcessor.#BVm.Execute(String[] commandLineArgs, #MVm startView)
   at ServiceStudio.Presenter.Commands.CommandLineProcessor.#3Um(String[] commandLineArgs, #MVm startView)
2020-03-05 15-52-45
André Vieira
Staff
Hi Alexandre,

Yes I think that helps. It would also help to know which version of Service Studio you have installed? Did you get this error on a clean install of Service Studio? If not have you tried re-installing Service Studio?
2020-03-16 12-29-58
Alexandre Reis
I had Service Studio installed when i updated Windows.
Now i uninstalled Service Studio and installed the latest version(DevelopmentEnvironment-9.0.1.21).
The problem still exists.
2012-03-16 12-21-09
João Rosado
Staff
Solution
Hi Alexandre,

Can you try installing this and tell us if it helped: https://www.microsoft.com/en-us/download/details.aspx?id=30679
When it asks to choose a file use the "vcredist_x86.exe" one.

(it should be installed automatically by the Development Environment installer ...but just do it manually to confirm)

Regards,
João Rosado
2020-03-16 12-29-58
Alexandre Reis
Thank You João.

This solved my problem.
It's working.

Thank you for the help.

Regards,
Alexandre Reis.
2012-03-16 12-21-09
João Rosado
Staff
Thanks for the info Alexandre.

Can you just answer me a couple questions (so we can understand what was the issue and fix it for everyone):
  • What version of Development Environment did you have before the upgrade.
  • What Windows version did you have before?
  • Did it just stop working after the Windows upgrade or did you also upgraded the Development Environment?

Thanks,
João Rosado
2020-03-16 12-29-58
Alexandre Reis
I had Windows 8.1 64bits installed and DevelopmentEnvironment-9.0.1.9.
Then i installed Windows 10 64bits and stopped working with that error.
I uninstalled the DevelopmentEnvironment-9.0.1.9 and installed DevelopmentEnvironment-9.0.1.21.
Still didn't worked.
Then you told me to install vcredist_x86.exe and started working.

Hope this helps.

2016-07-12 16-07-47
Jorge Almeida
Hi 


My OS is Windows 10 Home 64 bits . I have tried to install Development 9.1.301.0 
but to no avail. 

System.Windows.Markup.XamlParseException: The invocation of the constructor on type 'ServiceStudio.WPFExtensions.WebView' that matches the specified binding constraints threw an exception. ---> System.IO.FileNotFoundException: Could not load file or assembly 'CefSharp.dll' or one of its dependencies. The specified module could not be found.
   at ServiceStudio.WPFExtensions.WebView..ctor()
   --- End of inner exception stack trace ---
   at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
   at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri)
   at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
   at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
   at ServiceStudio.ViewImplementation.OutSystemsPage.InitializeComponent()
   at ServiceStudio.ViewImplementation.OutSystemsPage..ctor()
   at ServiceStudio.ViewImplementation.CustomWorkspace.ViewAdapter.ServiceStudio.View.ICustomWorkspaceView.CreateOutSystemsPageView()
   at ServiceStudio.Presenter.CustomWorkspacePresenter.set_ActivePageType(CustomWorkspacePageType value)
   at ServiceStudio.Presenter.AggregatorWindowPresenter..ctor(IAggregatorWindowView view)
   at ServiceStudio.Presenter.RuntimeImplementation.#Gpb3.#s3n()
   at ServiceStudio.WPFExtensions.WpfExtensions.ExecuteInUIThread[ReturnType](Application app, Func`1 action)
   at ServiceStudio.ViewImplementation.WPFViewImplementationProvider.ExecuteInUIThread[ReturnType](Func`1 action)
   at ServiceStudio.Presenter.RuntimeImplementation.CreateAggregatorWindow(Pair`2 windowCoordinates)
   at ServiceStudio.Presenter.RuntimeImplementation.#Gdn(AutoLoginType autoLoginType)
   at ServiceStudio.Presenter.Commands.CommandLineProcessor.#5Pm.Execute(String[] commandLineArgs, #EQm startView)
   at ServiceStudio.Presenter.Commands.CommandLineProcessor.#TPm(String[] commandLineArgs, #EQm startView)

I have tried to install the Visual C++ Redistributable for Visual Studio 2012 Update 4 x64 bits and it does not solve the problem. I tried to install the x_86 version of Visual C++ Redistributable for Visual Studio 2012 Update 4  but it seems it is not available in the aforementioned weblink: https://www.microsoft.com/en-us/download/details.aspx?id=30679
When it asks to choose a file use the "vcredist_x86.exe" one. --- this file does not exist anymore. 

it keeps to appear exactly the same error as showed in the above captions. 
How can I solve this? Thanks!

 
2016-07-12 16-07-47
Jorge Almeida
Jorge Almeida wrote:

Update: I have installed the Microsoft Visual 2015 and it did not solve the problem. 
Hi 


My OS is Windows 10 Home 64 bits . I have tried to install Development 9.1.301.0 
but to no avail. 

System.Windows.Markup.XamlParseException: The invocation of the constructor on type 'ServiceStudio.WPFExtensions.WebView' that matches the specified binding constraints threw an exception. ---> System.IO.FileNotFoundException: Could not load file or assembly 'CefSharp.dll' or one of its dependencies. The specified module could not be found.
   at ServiceStudio.WPFExtensions.WebView..ctor()
   --- End of inner exception stack trace ---
   at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
   at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri)
   at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
   at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
   at ServiceStudio.ViewImplementation.OutSystemsPage.InitializeComponent()
   at ServiceStudio.ViewImplementation.OutSystemsPage..ctor()
   at ServiceStudio.ViewImplementation.CustomWorkspace.ViewAdapter.ServiceStudio.View.ICustomWorkspaceView.CreateOutSystemsPageView()
   at ServiceStudio.Presenter.CustomWorkspacePresenter.set_ActivePageType(CustomWorkspacePageType value)
   at ServiceStudio.Presenter.AggregatorWindowPresenter..ctor(IAggregatorWindowView view)
   at ServiceStudio.Presenter.RuntimeImplementation.#Gpb3.#s3n()
   at ServiceStudio.WPFExtensions.WpfExtensions.ExecuteInUIThread[ReturnType](Application app, Func`1 action)
   at ServiceStudio.ViewImplementation.WPFViewImplementationProvider.ExecuteInUIThread[ReturnType](Func`1 action)
   at ServiceStudio.Presenter.RuntimeImplementation.CreateAggregatorWindow(Pair`2 windowCoordinates)
   at ServiceStudio.Presenter.RuntimeImplementation.#Gdn(AutoLoginType autoLoginType)
   at ServiceStudio.Presenter.Commands.CommandLineProcessor.#5Pm.Execute(String[] commandLineArgs, #EQm startView)
   at ServiceStudio.Presenter.Commands.CommandLineProcessor.#TPm(String[] commandLineArgs, #EQm startView)

I have tried to install the Visual C++ Redistributable for Visual Studio 2012 Update 4 x64 bits and it does not solve the problem. I tried to install the x_86 version of Visual C++ Redistributable for Visual Studio 2012 Update 4  but it seems it is not available in the aforementioned weblink: https://www.microsoft.com/en-us/download/details.aspx?id=30679
When it asks to choose a file use the "vcredist_x86.exe" one. --- this file does not exist anymore. 

it keeps to appear exactly the same error as showed in the above captions. 
How can I solve this? Thanks!

 
 
 
2012-03-16 12-21-09
João Rosado
Staff
Hi Jorge,

I just tried the link and it worked fine for me: https://screencast.com/t/SzWeGpsBlzmO
I can upload the file somewhere if necessary ..but would prefer if everyone could still get it directly from the microsoft site.

Regards,
João Rosado
UserImage.jpg
Chetan Yewale

I was facing the same issue.

I am using Windows 10 Professional 64 bit. I have all updates, including updates for Visual Studio 2015.

I installed the file mentioned in the above comments("vcredist_x86.exe") and then it started working again.

2026-01-14 17-10-14
Bruno Gonçalves

Had the same issue, in my case I had to uninstall "vcredist_x86.exe" and re-install it, thanks. 

My OS10 Service Studio would show the loading bar progressing and then the logo would just disappear without any feedback as to what was happening, i had to look at the "general.txt" file to be able to identify the error and search for it.

Issues like this should be added to a troubleshooting section given the amount of people experiencing it.

2026-01-14 17-10-14
Bruno Gonçalves

Bruno Gonçalves wrote:

Had the same issue, in my case I had to uninstall "vcredist_x86.exe" and re-install it, thanks. 

My OS10 Service Studio would show the loading bar progressing and then the logo would just disappear without any feedback as to what was happening, i had to look at the "general.txt" file to be able to identify the error and search for it.

Issues like this should be added to a troubleshooting section given the amount of people experiencing it.

My bad, just saw that this is in the troubleshooting section :P I landed here from a google search, sorry.


2021-10-07 08-39-03
Rui Parente
Staff

Hello everyone,

Still having this same issue. I have a windows 10 with the latest updates, the .NETFramework 4.6.2, i installed the latest version of Visual Studio and also the vcredist_x86 file but Service Studio still doesn't work. Any updates on this issue?

In the error message that is launched when i try to open service studio from the browser after installing it appears: Could not load file or assembly 'CefSharp.dll' or one of its dependencies

Rui

2012-03-16 12-21-09
João Rosado
Staff

As far as I know everyone that installed or reinstalled the vcredist_x86 binary that I linked from the microsoft site got his issue solved.

Did you already try to reinstall it? 


Regards,

João Rosado

2021-10-07 08-39-03
Rui Parente
Staff

Just got this issue solved. I had to install the latest version of Microsoft Visual C++ 2017 Redistributable (x64).

After that i reinstalled service studio and it's working now.


Best regards,


Rui Parente

2020-12-07 13-36-58
Alexandre Santos
Champion

Hi all,


I think I have the same issue, but I don't know what to do more...


I'm attaching a zip with 2 screenshots. But basically I just can't open OutSystems platform, I think probably because of an update from windows.


I already uninstalled the installed the studio, with different versions, then I have done the same for the Visual Studio redistributables, restarted my pc and everything. 


What can I do more?


Alexandre


images.zip
2020-12-07 13-36-58
Alexandre Santos
Champion

up

2020-03-16 12-29-58
Alexandre Reis

Hello Alexandre.

Try cleaning the folder:

C:\Users\[YOUR_USER]\AppData\Local\OutSystems

and start Outsystems again.


Note: You will loose all configurations...

2012-03-16 12-21-09
João Rosado
Staff

Hi Alexandre,


Not sure if your problem is the same as the initial ones on this topics. At least the crashes displayed as a error inside Service Studio instead of a windows generic window.


Some things that you can try:
Run Service Studio as administrator and after the crash see if there is a general.txt file inside the installation folder. If there is, it should have some information about errors.


See if you have any of these folders:
C:\Windows\Microsoft.NET\assembly\GAC_32\CefSharp\
C:\Windows\Microsoft.NET\assembly\GAC_32\CefSharp.Wpf\

Service Studio does NOT need them (so they should not exist) but other programs can install them and create conflicts. 


Regards,
João Rosado

2020-12-07 13-36-58
Alexandre Santos
Champion

Hi all!


I managed to go back on one of the Windows 10 updates (before seeing your answer ) and it solved my problem. I'm not sure which one, but I think was one of the security updates.

It was a "silent" update, so I didn't even notice that my pc was updated.


But thanks anyway! Maybe this can help other people next time someone has the same problem ;)


Cheers,

Alexandre

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