SharpCompress.3.5, I can't run it in a web player

Can you help me with using SharpCompress.3.5 library in a web player, please? I am getting this error when I run my app in a web player:

 120414 20:16:43 ------------------------------------------------------------
 120414 20:16:43 Instance starting, version 3.5.1f2_e9280fee30d7, UNITY_WEB_ENABLE_AUTODOWNLOAD: 1, GetDisableAutoUpdates(): 0
 120414 20:16:44 Datafile file:///E:/DATA/UnityProjects/CompiledProjects/webPlayer/WebPlayer/WebPlayer.unity3d
 web: player version 3.5.1f2
 GfxDevice: creating device client; threaded=0
 Direct3D:
     Version:  Direct3D 9.0c [atiumdag.dll 8.14.10.647]
     Renderer: ATI MOBILITY RADEON X1400
     Vendor:   ATI
     VRAM:     127 MB (via DXGI)
     Caps:     Shader=30 DepthRT=1 NativeDepth=1 NativeShadow=0 DF16=1 DF24=1 INTZ=0 RAWZ=0 NULL=0 RESZ=0 SlowINTZ=0
 web: load mono
 Mono path[0] = 'C:/Users/robert/AppData/LocalLow/Unity/WebPlayer/player/3.x.x/Data/lib'
 Mono path[1] = 'C:/Users/robert/AppData/LocalLow/Unity/WebPlayer/mono/3.x.x/Data/lib'
 PlayerConnection::Initialize
 PlayerConnection constructor
 Playerconnection 3
 Timed out. Continuing without host connection.
 web: start, src=WebPlayer.unity3d abs=file:///E:/DATA/UnityProjects/CompiledProjects/webPlayer/WebPlayer/WebPlayer.unity3d
 PlayerConnection::Initialize
 Initialize engine version: 3.5.1f2
 web: sucessfully initialized
 120414 20:16:45 loader: start ok
 120414 20:16:45 Times: download 0.3 load 1.1
 Loading webdata version: 3.5.1f2
 Begin MonoManager ReloadAssembly
 Platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\Data\lib\UnityEngine.dll (this message is harmless)
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\Assembly-CSharp.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\Assembly-CSharp.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.CJK.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.CJK.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.MidEast.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.MidEast.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.Other.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.Other.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.Rare.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.Rare.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.West.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\I18N.West.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\SharpCompress.3.5.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\SharpCompress.3.5.dll into Unity Child Domain
 Non platform assembly: C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\System.Xml.dll (this message is harmless)
 Loading C:\Users\robert\AppData\LocalLow\Unity\WebPlayer\player\3.x.x\System.Xml.dll into Unity Child Domain
  (Filename:  Line: -1)
 - Completed reload, in  0.229 seconds
 <I> Initializing (RawInput).
 
 <RI> Input initialized.
 
 desktop: 1440x900 60Hz; virtual: 1440x900 at 0,0
 MethodAccessException: Attempt to access a private/protected method failed.
   at System.Security.SecurityManager.ThrowException (System.Exception ex) [0x00000] in <filename unknown>:0 
 
   at SharpCompress.Archive.ArchiveFactory.Open (System.String filePath, Options options) [0x00000] in <filename unknown>:0 
 
   at SharpCompress.Archive.ArchiveFactory.Open (System.String filePath) [0x00000] in <filename unknown>:0 
 
   at Utils.GetSortedComicBookPages (System.String filePath) [0x00000] in <filename unknown>:0 
 
   at StartScript.Start () [0x00000] in <filename unknown>:0 
  
 (Filename:  Line: -1)

This project runs without problems when I compile it as a desktop app