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Configuration Error

i hve installed the software devExpress. but whenever i tried to open website from usb it gives me a error message like

Line 64: <add assembly="DevExpress.Web.v7.2, Version=, Culture=neutral, PublicKeyToken=9B171C9FD64DA1D1"/>

what is the problem please help

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Could not load file or assembly 'DevExpress.Web.v7.2, Version=, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1' or one of its dependencies. The system cannot find the file specified.

Source Error:

Line 62:         <add assembly="Microsoft.ReportViewer.Common, Version=, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
Line 63:         <add assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
Line 64:         <add assembly="DevExpress.Web.v7.2, Version=, Culture=neutral, PublicKeyToken=9B171C9FD64DA1D1"/>
Line 65:         <add assembly="DevExpress.Data.v7.2, Version=, Culture=neutral, PublicKeyToken=9B171C9FD64DA1D1"/>
Line 66:         <add assembly="DevExpress.Web.ASPxEditors.v7.2, Version=, Culture=neutral, PublicKeyToken=9B171C9FD64DA1D1"/>

Source File: C:\Users\Qadir\Desktop\UPDATE1\web.config    Line: 64

Assembly Load Trace: The following information can be helpful to determine why the assembly 'DevExpress.Web.v7.2, Version=, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1' could not be loaded.

WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].
Updated 25-Dec-12 19:56pm
Ashok19r91d 26-Dec-12 3:04am    
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1 solution

Please follow below specified steps to determine what exact problem is there

1)Check that DevExpress.Web.v7.2 dll is present in system with specified version ,
if above dll is present in your system then do one thing paste this dll is your solution folder or bin folder of application where exactly you are getting this error.

2)If dll is present in system as well as in solution or bin directory then check machine configurion (your machine is having 32 bit operating system or 64 bit operating system)and please also check that your dll DevExpress.Web.v7.2 dll is 32 bit version or 64 bit can check version with utility[^]
which will tell what is the version of the dll.

3)you can check also that any dependent dll is missing for DevExpress.Web.v7.2 dll
using DependencyWalker
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