Re: FIX - Back button problems when using a customized HOSTS file

From: Frank Saunders, MS-MVP (franksaunders_at_mvps.org)
Date: 09/01/04 

Date: Wed, 1 Sep 2004 11:55:50 -0500

Thanks. 

-- 
Frank Saunders, MS-MVP, IE/OE
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"User" <googlegroups99@hotmail.com> wrote in message
news:be158184.0409010715.764884af@posting.google.com 
> My apologies if this has been posted before, but in searching for an
> answer myself, I just couldn't find anything.  For a quick background,
> I have two XP machines (currently SP1) running IE6.  I use the HOSTS
> file provided by mvps.org, which has done a great job of blocking a
> lot of unwanted content.  However, I have experienced the Back button
> issue described by others, where the browser doesn't actually take you
> to the previous page (due to the fact 127.0.0.1 was loaded in between
> the two pages).  Anyway, I was only having this problem on one of the
> two machines and couldn't figure out the difference between the
> machines.
> 
> Finally I've tracked this down to a setting on the Advanced Tab of
> IE's settings.  There is an entry named "Show friendly HTTP error
> messages."  This was checked on the machine having Back button issues
> but not on the other.  Once unchecked, I have not had any more issues.
> Relief at last.
> 
> For some additional detail, I found that when this setting is checked,
> the URL of the blocked content started with:
> 
> res://C:\WINDOWS\System32\shdoclc.dll/dnserror.htm#
> 
> while when unchecked it changes to:
> 
> res://C:\WINDOWS\System32\shdoclc.dll/navcancl.htm#
> 
> Don't know if this will be useful to anyone else.  Thought I'd post in
> case it is.  And while I assume it will work for others, I've only
> proven this on a couple of machines.