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I am creating a web page using ASP.Net C# 4.0, that will be used to detect scanner deployed with a server and save scanned images to the server. I have created this page using WIA (Windows Image Acquisition). This page is working and scanning images when I run it within asp.net development server, but when I deploy it in IIS 6.0 it says:

Could not load file or assembly 'Interop.WIA' or one of its dependencies. An attempt was made to load a program with an incorrect format.

Is it because of WIA being a COM component ? Or is there anything which I am missing when deployed in IIS ? Please help !!!

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shrekDeep
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2 Answers2

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"An attempt was made to load a program with an incorrect format." Usually means you're trying to load 32-bit code into a 64-bit process or vice-versa.

Try setting your IIS app pool to 32-bit (some info here)

Iain Ballard
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Got to Start->Run->type inetmgr and on the left application pools, select DefaultAppPool and the virtual directory name of the app and for both make sure to enable 32 -bit applications to true, am using IIS7.0 and windows 7 64-bit.

Solution

Alejandro Prado
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