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I have changed settings to install apps in the SD card in Windows phone 8.1. I then got the installed apps to the PC, and I browsed to the WPSystem\Apps\{C93F42CB-C64F-45EB-A628-A24891D82A4C}\Install folder.

There I found several .dll files. I tried to open all of them in Telerik Just Decompiler, and i got the following error:

JustDecompile supports only valid CLR assemblies. Not supported files

I then download the .Net Reflector, but I got an error there too:

File is not a portable executable. DOS header does not contain 'MZ' signature.

With DotPeak, I also got the message not supported.

Why I am not able to de-compile such apps assembly? Is there any other way?

admdrew
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Idrees Khan
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1 Answers1

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When you publish an app in the Windows Phone Store, the app is encrypted. So if you want to decompile a xap file from a store application, you have to decrypt it first.

Jesús Latorre
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