I have to use a third party DLL in my application. The DLL is a 32-bit and the system I am using is 64-bit OS.
I have Imported the 32-bit DLL in my DotNet application (framework-4.5) as below
[DllImport("Sample.dll",
EntryPoint = "Add",
CharSet = CharSet.Ansi,
CallingConvention = CallingConvention.StdCall)]
public static extern int Add(int iA, int iB);
In IIS 7.5 - I have set "Enable 32-bit Application" as "True".
And also tried setting the Compiler Manager as - X86, x64 and Any CPU.
But all the attempt results in same Error as
An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)
How to resolve this Issue......
If you try to run 32-bit applications on IIS 7 (and/or 64-bit OS machine), you will get the same error. So, from the IIS 7, right click on the applications' application pool and go to "advanced settings" and change "Enable 32-Bit Applications" to "TRUE".
Restart your website and it should work.
Check the Build checkbox in the Configuration Manager for your executable, what CPU it is running for, probably you have Any CPU build there. Restart Visual Studio then to not complain that it couldn't debug the assembly.
Right-click on the project and open Properties->Compile->Advanced Compile Options->Target CPU: it should match the "Platform" you are building. That is, if you are building "Any CPU" then "Target CPU" should say "Any CPU". Go through all of your Platforms by making them active and check this setting.
If you try to run 32-bit applications on IIS 7 (and/or 64-bit OS machine), you will get the same error. So, from the IIS 7, right click on the applications' application pool and go to "advanced settings" and change "Enable 32-Bit Applications" to "TRUE".
Restart your website and it should work.
I have experienced this problem both when I was running a 32-bit dll on a 64-bit machine and when using the DllImport method and forgetting to install the appropriate redistributable library for what I was calling. I've needed to install the visual c++ redistributable on occasion when a called library had a dependency on that and I've also needed to install the Intel Visual Fortran redistributable - when calling a Fortran function from a .NET library.
Related
I have Visual Studio 2010 in a 32-bit Windows 7. I need to compile my created vb.net program (lets call it myprogram.exe) to be able to run in a 64-bit Windows 7 environment.
I have set my VS2010 project to "Any CPU" and even so myprogram.exe doesn't run on a 64-bit Windows 7. However, it does on a 32-bit Windows 7.
Could be possible it's because I'm using System.Data.OracleClient for database connection?
Error message in 64-bit Windows 7:
"The version of this file is not compatible with the version of Windows you're running. Check your computer's system information to see whether you need an x86 (32-bit) or x64 (64-bit) version of the program, and then contact the software publisher"
The 64-bit Windows 7 has Framework v2 installed. I attach some picture to show that.
Supposedly, WOW64 should run automatically but will not work on all applications.
In this case, should I install on my 64-bit Windows 7 some "Windows virtual PC"?
EDIT:
My VS2010 Premium is in a 32-bit Windows7 environment, and only see "Any CPU" option available. I don't see any other one else.
Should I install in the 64-bit Windows7 PC some "32-bit virtual Windows7 "? Which one would you recommend?
If you compile your program with the target platform set to AnyCPU then, when you run you executable on a 64bit OS the JIT compiler emits code for 64bit systems and, on 32bit OS, code for 32bit systems.
From your error it is clear that something between your references is a 32bit only library and thus cannot be called from 64bit code.
You could switch back to 32bit setting the x86 target platform in your Build Configuration or try to identify the library responsible and check if a 64bit version exists.
However, if you don't have specific reasons to use AnyCPU then you could still use x86 because in some cases the performances are better than 64bit code
You could read about the PROS and CONS of AnyCPU in this a little old, but still valuable, article
Try instead setting it from "Any CPU" to "x86" to force it to run on the 32-bit architecture. The problem might be that your program is relying on DLLs that aren't supported on the 64-bit architecture.
I am trying to run my visual studio (2010) C++ project on an old Windows XP machine that is running VS2010. However, when I run it, I get the error listed in the title of this question. Why is this, and how can I fix it?
Same error was throwing for me when I had Silverlight debugger enabled. To resolve this issue
Open project properties
Under web tab look for Debuggers
Remove the tick mark on "Silverlight"
In general, a debugger should be the same bitness as the debuggee (or at least it must be able to understand the architecture of the target). In any common siutation, an x86-based debugger will not be able to debug an x64 application.
The Visual Studio documentation says:
To debug a 64-bit application that is running on a remote computer,
you need to install the 64-bit remote debugger on the remote computer.
The 64-bit remote debugger is available on the last disc of your
Visual Studio installation set.
I have a c++/cli dll that I load at runtime and which works great in debug mode. If I try and load the dll in release mode it fails to load stating that one or more dependencies are missing. If I run depends against it I am missing MSVCR90.DLL from MSVCM90.DLL. If I check the debug version of the dll it also has the missing dependency, but against the debug (D) version.
I have made sure debug/release embed the manifest file. I read something about there being issues with the app loading the dll being build as Any CPU and the dll being built as x86, but I don't see how to set them both to x86.
I am using VS2010.
Anyway, I've been messing around for a while now and have no idea what is wrong. I'm sure someone out there knows what is going on. Let me know if I need to include additional info.
alt text http://www.freeimagehosting.net/uploads/fb31c0e256.png
UPDATE:
This ended up being the resolution to my problem: http://social.msdn.microsoft.com/Forums/en-US/vclanguage/thread/07794679-159b-4363-ae94-a68fe258d827
MSVCR90 is the runtime for Visual Studio 2008. If you are running your application on your development PC, then you should have the debug and release runtimes installed (as part of Visual Studio) but it is possible something has gone awry with your install, or that VS2010 doesn't actually include the older runtimes. If you're trying to run the Release on a different PC, then it just needs the runtime installed.
Either way, you may be able to fix it by installing the Visual Studio 2008 redistributable - but make sure you get the right download for your PC (x86 or x64).
In previous versions of VS, you needed the runtime for the version you were compiling with, so if VS2010 follows this precedent you'd need MSVCR100, not MSVCR90 - which suggests that you may not have recompiled the dll with VS2010 - doing so may be another approach to get it running on your PC (using the redist that is in your VS2010 install) but beware that you will still need other users to install the appropriate (VS2010) redistributable on their PC.
As for "Any CPU" versus "x86", this is a problem only on a 64-bit computer. On those systems a 64-bit application can't link dynamically to 32-bit dlls. If you compile your application as "Any CPU" it will be JIT compiled to be 64-bit on an 64-bit OS, so will crash if it tries to call any 32-bit dlls directly. THe solution is to build the application targeting "x86" as that forces the JIT compiler to generate 32-bit code (even on a 64-bit machine) and thus ensures compatibility with the dll you wish to call. If the DLL is a managed assembly, then you can use Any CPU on both the app an dll as they will both be JITted to the same format.
It happened to me something similar running a website in Vistual Studio 2012, after migrating from Visual Studio 2010. The error message was saying that MSVCR90.DLL was missing. The solution was:
1) Delete the folder _bindeployable located at the project path.
2) Rebuild.
I hope it helps.
I have installation solution that have installer project (not web installer but simple installer) that installs NT services, web service and web sites with help of additional two projects of dlls with my own code that performs my installation step. In user actions of installer project I call installer function of one of those projects, and this project calls to installer of second project: installer -> MiddleCaller -> InstallationCore.
All this developing on Windows 7 and work fine when I compile all in 32 bit.
The project must run on Windows 2008. Because of some reasons all must be in x64 bit.
For this purpose, in MiddleCaller and InstallationCore I click right button of mouse on project -> build -> targer x64. For to move installer project to 64 bit in properties of installer (when project is active) I check: Target platform: x64.
When I run installation on x86 I get error:
The installation package is not supported by this processor type"
And this is good, because now I know that my installation compiled in 64 bit, but when I run this on windows 2008 I get:
Error 1001. Exception occured while initializing the instance:
System.BadImageFormatException: could not load file or Assembly
'MiddleCaller, v...' or one of its dependencies. An attempt was
made to load a program with an incorrect format.
Any one has some idea what I need to do for run fine the installation on x64?
May be I still not moved the installer project to x64 bit, if yes, where I do this?
Thank you for ahead.
Found a quick tip on Microsoft's website that could be useful on troubleshooting setup and deployment projects:
64-bit managed custom actions throw a System.BadImageFormatException exception
If you add a 64-bit managed custom action to a Setup project, the Visual Studio build process embeds a 32-bit version of InstallUtilLib.dll into the MSI as InstallUtil. In turn, the 32-bit .NET Framework is loaded to run the 64-bit managed custom action and causes a BadImageFormatException exception.
For the workaround, replace the 32-bit InstallUtilLib.dll with the 64-bit version.
Open the resulting .msi in Orca from the Windows Installer SDK.
Select the Binary table.
Double click the cell [Binary Data] for the record InstallUtil.
Make sure "Read binary from filename" is selected and click the Browse button.
Browse to %WINDIR%\Microsoft.NET\Framework64\v2.0.50727.
Note
The Framework64 directory is only installed on 64-bit platforms and corresponds to the 64-bit processor type.
Select InstallUtilLib.dll.
Click the Open button.
Click the OK button.
There are some unclear things in this scenario. I understand that you are having difficulty running a 32-bit installer that calls on 64-bit assemblies. If this is correct, then what you are doing is not allowed. You cannot have 32-bit and 64-bit assemblies in the same process - that is illegal. If the 64-bit assemblies are being referenced by the installer directly, then the installer must also be 64-bit.
As clarification: I believe a 32-bit installer can install a 64-bit application, but it may only do so by copying the 64-bit files and not by actually making calls into the 64-bit files. The only way this is supported is if the 64-bit files are loaded into a different process and you use IPC to call into them, but even this is likely to be a bad solution.
In your case, I would encourage you to convert your installer into a 64-bit installer.
So, eventually, I compiled MiddleCaller and InstallationCore in AnyCpu mode, when all dll and executables that I need to install were compiled in x64 bit. All this I compiled on Windows 2008 x64 bit with x64 bit outer dependencies (like Oracle client).
I'm wondering if I can still develop 32-bit apps using a 64-bit machine (64-bit Windows Vista with Visual Studio 2008 SP1)? Because I am planning to buy a laptop with 64-bit Vista. Im asking just to make sure. Thanks!
64-bit Windows runs 32-bit Visual Studio just fine. Unless you specify you wish you use the x64 development tools, it will still compile 32-bit applications.
Straight from the page:
Visual Studio uses the 32-bit cross
compiler even on a Windows 64-bit
computer. You can, however, use devenv
commands to create a command line
environment to call 64-bit hosted
tools.
Further Information: http://msdn.microsoft.com/en-us/library/ms246588(VS.80).aspx
With Visual Studio you are able to target what platform. By default it will run on "Any CPU" (read 32 or 64 bit), but you can specify if you desire. Look under Project>Properties>Build and look for the "Platform Target" property.
Yes. 64-bit vista will run 32-bit executables, so if you have a 32-bit compiler, it will still work.
Within visual studio you can tell it what to compile to under the Configuration Manager - (Build Menu - Configuration manager) - this allows you to target 32 or 64 bit.
64bit of consumer hardwares is usually "amd64" architecture which can run both 32bit apps and 64bit ones natively. Windows Vista 64bit edition supports both 32bit and 64bit system libraries, so basically you can run both type of applications as well. (Note that IA-64 architecture does not allow this.)
Compiling a program in 64bit is not much related to the platform that the compiler runs. But, of course, to run and test the result binary requires the corresponding architecture.
As many mentioned above, VS2008 let you choose the target architecture, so there's no problem.
I've found that just the setup.exe created by Visual Studio 2012 Express won't work on XP, but if you go ahead load MS 4.0 .NET Framework from the Microsoft Website then the *.application will load and install without using the setup.exe at all.