I have the same problem, getting:
Installation component 'LCPDFRModels' error'd!
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
at System.IO.StreamWriter.CreateFile(String path, Boolean append)
at System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize)
at System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding)
at System.IO.File.InternalWriteAllText(String path, String contents, Encoding encoding)
at System.IO.File.WriteAllText(String path, String contents)
at G17MediaSetupEngine.Installation_Components.tazershit.beginComponent()
at G17MediaSetupEngine.UI.Interface.wizardControl1_SelectedPageChanged(Object sender, EventArgs e)
at G17MediaSetupEngine.UI.Interface.wizardControl1_SelectedPageChanged(Object sender, EventArgs e)
that.
From what I see they don't appear to be read only, and i'm not sure how to run it as an admin.