Cannot Load Assembly. Error Details System.badimageformatexception
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Could not load file or assembly … An attempt was made to load a program with an incorrect format (System.BadImageFormatException) up vote 163 down vote favorite 19 I have two projects, ProjectA and ProjectB. ProjectB is a console application, which depends on ProjectA. Yesterday, everything was working fine, but suddenly today when I run ProjectB I get this: BadImageFormatException was unhandled: Could not load file or assembly 'ProjectA, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. An attempt was made to load a program with an incorrect format. Both are just regular projects, with no dependencies on any other non-.Net projects. Both are fully .Net - there is no native code, and no P/Invoke. I have other projects which depend on ProjectA and still work just fine. Things I have tried: Make sure both projects are set to "Any CPU," with the build checkbox checked. They are. Make sure both projects are for the same Target Framework (.Net 4.0 Client Profile). Under ProjectB --> References --> ProjectA --> Properties, make sure "Copy Local" is set to "True" _ (I verified that ProjectA.dll is being copied correctly) Clean/Rebuild the solution. I even tried manually deleting the /bin and /obj folders in both projects. Restart Visual Studio. Restart my computer. Check out an entirely new copy of the repository. But I still get the same error. I have no idea what I did to cause this, nor how to fix it. Any ideas? c# exception console-application badimageformatexception share|improve this question asked Jul 6 '12 at 22:14 BlueRaja - Danny Pflughoeft 45.2k20119195 If you have a version history in the repository, could you check if there are some differences in the csproj files? –Steve Jul 6 '12 at 22:22 @Steve: According to Mercurial, no changes other than adding references to new .cs files –BlueRaja - Danny Pflughoeft Jul 6
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up System.BadImageFormatException:Could not load file or assembly … incorrect format when trying to install service with installutil.exe up vote 12 down http://stackoverflow.com/questions/11370344/could-not-load-file-or-assembly-an-attempt-was-made-to-load-a-program-with-a vote favorite 2 I know i am going to ask duplicate question but my scenario is totally different i think so because when i go to do unit testing with nunit tool of my program then in NUnit this error happen "NewTest.testtest (TestFixtureSetUp): SetUp : System.BadImageFormatException : Could not load file or assembly 'AUTO_REPAIR, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. An attempt was made to load a program with an incorrect http://stackoverflow.com/questions/16658976/system-badimageformatexceptioncould-not-load-file-or-assembly-incorrect-forma format." I wonder why this error is happening to this tool ? i am sure i dont have error in project or in any test case. Please help me out. here is image of this error c# visual-studio-2010 unit-testing nunit share|improve this question asked May 20 '13 at 21:50 aami 1421516 If your scenario is different, then it isn't a duplicate. –Renan May 20 '13 at 21:52 1 @Renan i am afraid from stack overflow policy.... –aami May 20 '13 at 22:12 add a comment| 3 Answers 3 active oldest votes up vote 23 down vote accepted There are two ways to solve this error Set Platform target to x86 for your project in visual studio(Right click on your solution and then go to properties then you will find build option and when you click on build you will find platform target). After you set your platform target to x86 try to do your unit test using nunit. or Simply find out nunit-x86.exe in bin folder of your nunit folder and just run this exe file and you will not see any exception again :) share|improve this answer answered May 22 '13 at 4:53 Ammar Asjad 1,01531635 For anyone else that stumbled across this - if you're on x64 then switch a
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta http://stackoverflow.com/questions/8996653/troubleshooting-badimageformatexception Discuss the workings and policies of this site About Us Learn more http://forums.autodesk.com/t5/net/problem-with-program-quot-cannot-load-assembly-quot/td-p/2924184 about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, cannot load helping each other. Join them; it only takes a minute: Sign up Troubleshooting BadImageFormatException up vote 58 down vote favorite 10 I have a Windows service written in C# using Visual Studio 2010 and targeting the full .NET Framework 4. When I run from a Debug build the service runs as expected. However, when I run it from cannot load assembly. a Release build I get a System.BadImageFormatException (details below). I've been searching the internet for a solution but so far every thing I've found hasn't helped me find a solution. The problem exists on both Windows 7 64-bit (dev) and Windows XP SP3 32-bit (target) systems. Here is what I've tried so far: Verified build settings such as Platform Target are all the same (x86). Used peverify with the /verbose option to ensure the assembly binaries were valid. Uses fuslogvw to look for any loading issues. Used CheckAsm to look for missing files or assembiles. All of these checks didn't change anything. I've included the full text of the exception information below, with some of the names changed to protect the secrets of my corporate masters. System.BadImageFormatException was unhandled Message=Could not load file or assembly 'XxxDevices, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. An attempt was made to load a program with an incorrect format. Source=XxxDevicesService FileName=XxxDevices, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null FusionLog=Assembly manager loaded from: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll Running under executable c:\Dev\Tea
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