I am running DNN 4.0.3 . I currently have Iframe 03.01.00 installed and running.

I tried to update to Iframe 03.02.00 and I received the following error:

StartJob	Starting Installation
StartJob	Reading files
Info	Loading 03.02.00.SqlDataProvider
Info	File 03.02.00.SqlDataProvider read successfully
Info	Loading DNN_IFrame.dnn
Info	File DNN_IFrame.dnn read successfully
Info	Loading DNN_IFrame.resources
Info	File DNN_IFrame.resources read successfully
Info	Loading DotNetNuke.Modules.IFrame.dll
Info	File DotNetNuke.Modules.IFrame.dll read successfully
Info	Loading DotNetNuke.Modules.IFrame.SqlDataProvider.dll
Info	File DotNetNuke.Modules.IFrame.SqlDataProvider.dll read successfully
Info	Loading EditIFrame.ascx
Info	File EditIFrame.ascx read successfully
Info	Loading Uninstall.SqlDataProvider
Info	File Uninstall.SqlDataProvider read successfully
Info	Loading IFrame.ascx
Info	File IFrame.ascx read successfully
EndJob	Reading files done.
StartJob	Reading DNN file
Info	DNN file is in valid 3.0 format.
Info	...
Info	Loading files info
Info	Loading Modules info
Info	Loading Control info for 'IFrame' module
EndJob	Dnn load finished successfully
StartJob	Begin Sql execution
Info	Executing 03.02.00.SqlDataProvider
StartJob	Start Sql execution: 03.02.00.SqlDataProvider file
EndJob	End Sql execution: 03.02.00.SqlDataProvider file
EndJob	Finished Sql execution
StartJob	Creating files
StartJob	Expanding Resource file
EndJob	Resource Files created
Failure	ExceptionSystem.UnauthorizedAccessException: Access to the path 'E:\DNN4\bin\DotNetNuke.Modules.IFrame.dll' is denied. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.File.SetAttributes(String path, FileAttributes fileAttributes) at DotNetNuke.Modules.Admin.ResourceInstaller.PaDnnInstallerBase.CreateFile(String FullFileName, Byte[] Buffer) at DotNetNuke.Modules.Admin.ResourceInstaller.PaDnnInstallerBase.CreateBinFile(PaFile File) at DotNetNuke.Modules.Admin.ResourceInstaller.PaDnnInstallerBase.CreateFiles(PaFolder Folder) at DotNetNuke.Modules.Admin.ResourceInstaller.PaDnnInstallerBase.Install(PaFolderCollection folders) at DotNetNuke.Modules.Admin.ResourceInstaller.PaInstaller.Install()

What exactly does this mean? And how do I fix it?