Can we extract the contents of a *.vpk file?

[Ladred]

at System.IO_Error_WinIOError(Int32 errorcode, String str)
at System.IO.FileStream.SeekCore(Int64 offset, SeekOrigin origin)
at System.IO.FileStream.Seek(Int64 offset, SeekOrigin origin)
at Everquest2.IO.FileSystem.ReadVpkDirectory(Stream stream, VplHeader header)
at Everquest2.IO.FileSystem.ProzessVplFile(Stream stream, VplHeader header)
at Everquest2.IO.FileSystem.Intialize(Stream stream)
at Everquest2.IO.FileSystem.Open(String path FileMode mode, FileAccess access)
at Everquest2.IO.FileSystem.Open(String path)
at Eq2VpkTool.FileSystemViewController.OpenFileSystem (Objekt obj)

I believe that is the message I got before I installed the .net 2 beta.