Bad Image Format Exception

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5.00/5 (1 vote)

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SQL-Server-2005

.NET3.0

, +

Visual Studio 2010
DotNet framework: v3.5
Operating system: Win7

Program compiled successfully but exception on run.

Bad Image Format Exception

Could not load file or assembly 'Interop.SQLDMO, Version=8.5.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. An attempt was made to load a program with an incorrect format.

Any one please help. how to resolve it.

Posted 25-Nov-13 22:37pm

DoingWork

Updated 25-Nov-13 22:39pm

v2

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OriginalGriff · Accepted Answer · 2013-11-25T22:46:00

Solution 1

Difficult to tell from just that, but it is quite likely that you are running a 64bit application and trying to load a 32bit library.

Try changing your project settings to "x86" instead of "x64" and try again.

Posted 25-Nov-13 22:46pm

OriginalGriff

Comments

DoingWork 26-Nov-13 5:01am

Yes I'm using 64-bit machine but this project was developed in 32-bit machine.
After changing project setting from "Any CPU" to "x86", this error occurred on compilation.

An assembly with the same simple name 'Interop.SQLDMO, Version=8.5.0.0, Culture=neutral, PublicKeyToken=null has already been imported. Try removing one of the references or sign them to enable side-by-side. G:\WorkDrive\..........\obj\Release\Interop.SQLDMO.dll

OriginalGriff 26-Nov-13 5:12am

That's the problem then: "AnyCPU" on a 64 bit machine expects 64 bit assemblies.
Ass I said for your "spare" question - remove the reference(s) and add them back again.

DoingWork 26-Nov-13 5:23am

Thanks problem resolved.
Will this application run on both "x64" and "x86" systems ????

OriginalGriff 26-Nov-13 5:41am

If you set it to "x86" it will work on both 32 and 64 bit systems, yes.

DoingWork 26-Nov-13 6:02am

ok Thanks

OriginalGriff 26-Nov-13 6:21am

You're welcome!

*Suvabrata Roy* · Accepted Answer · 2013-11-25T22:47:00

Solution 2

Hi,

I think its a architecture related problem.

Which architecture you use :32 bit (x86) or 64 bit (x64)

which ever you use please try the same version of dll and client should also use the same version of architecture.

Thanks
Suvabrata

Posted 25-Nov-13 22:47pm

Suvabrata Roy

Updated 25-Nov-13 22:50pm

v2

Comments

DoingWork 26-Nov-13 5:03am

I'm using 64-bit machine but this project was developed in 32-bit machine. Now with project setting "x86", this error occurred on compilation.

An assembly with the same simple name 'Interop.SQLDMO, Version=8.5.0.0, Culture=neutral, PublicKeyToken=null has already been imported. Try removing one of the references or sign them to enable side-by-side. G:\WorkDrive\..........\obj\Release\Interop.SQLDMO.dll

Suvabrata Roy 26-Nov-13 5:17am

Remove the reference and pick reference from your GAC and I think it will run fine...