Unzip file error

when i use System.IO.Compression.ZipFile.ExtractToDirectory with Invoke method to unzip compressed file, The following error occurred:

Invoke method: Could not load file or assembly ‘System.IO.Compression, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089’ or one of its dependencies. The located assembly’s manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

Hey she,

please refer this thread it might solve your issue