[wix-users] Bad Image Format Exception

Edwin Castro egcastr at gmail.com
Wed Nov 15 16:19:37 PST 2017


Are you certain that the target framework for your CA is installed on the
target system? If you are targeting 4.5 but 3.5 is installed, then it would
make sense to get the BadImageFormatException...

--
Edwin G. Castro


On Wed, Nov 15, 2017 at 11:18 AM, Habib Salim via wix-users <
wix-users at lists.wixtoolset.org> wrote:

> Something just occurred to me - I recently decided to sign the assembly
> and the installer.
> I guess just around the time I started getting this error.
> Could that be the cause?
>
> Although I have a workaround, I can't stop trying to find out what caused
> the issue.  Can't have it flaking out when it is out in the market.
>
>
>
> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Joseph L. Casale via wix-users
> Sent: Wednesday, November 15, 2017 1:52 PM
> To: 'WiX Toolset Users Mailing List' <wix-users at lists.wixtoolset.org>
> Cc: Joseph L. Casale <jcasale at activenetwerx.com>
> Subject: Re: [wix-users] Bad Image Format Exception
>
> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Habib Salim via wix-users
> Sent: Wednesday, November 15, 2017 11:03 AM
> To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
> Cc: Habib Salim <habib at hsalim.com>
> Subject: Re: [wix-users] Bad Image Format Exception
>
> > I finally figured it out.  the Custom Action project should use .Net
> > Framework 3.5 as the target framework.
> > (FW3.0 and 2.0 may also work; I haven't tried).  FW4.0 and above
> > changes the runtime to 4.0 causing the BadImageFormatException.
>
> I was paying attention to your post as I have seen that before but failed
> to recall how I resolved it. I assure you the CA project does not need to
> target 3.5, that simply resolved your issue somehow but it is not a
> requirement.
>
> I am currently in working in a large project with countless CAs and the
> solution is targeting 4.6.2.
>
> jlc
>
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