Hi, I have developed one unzip functionality.its properly run on local sytsem but i try to upload the server below configuration error will be occured. 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 'vjslib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified. Source Error: Line 20: <compilation debug='true'> Line 21: <assemblies> Line 22: <add assembly='vjslib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A'/></assemblies></compilation> Line 23: <!-- Line 24: The <authentication> section enables configuration Source File: E:\web\rranchmarke\htdocs\web.config Line: 22 Assembly Load Trace: The following information can be helpful to determine why the assembly 'vjslib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' 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]. vjslib refers to the Microsoft Visual J# Redistributable Library. Unfortunately we do not support Microsoft Visual J# Redistributable Library on our shared hosting servers. so if any alternate solution and idea. please send the mail. Thanks you sivasankar k [email protected] </font> </font> </font>