WinXP SP2 IE6 : losing ASP Session state when viewing window via

Hello everyone!

A user of a (microsoft only) web application I develop is experiencing a loss of Session state when opening a window with the method.  I know that this user's machine has WinXP SP2.  I know the SP2 restrictions regarding the method, and this isn't one of them.  
The window itself comes up fine and properly displays various pieces of information gathered from Request.Cookies, Request.QueryString, Request.ServerVariables, and Application variables.   But all information gathered via Session variables are blank.  If I change to    window.showModalDialog() all information displays as expected.  Other XP SP2 boxes I have tested work just fine.

Here is the machine's current state...
- popup blocker has been turned off
- The application's web site has been added to the Trusted Sites list in IE.
- Automatic cookie handling has been overridden to allow all cookies (including ASP Session cookies)
- Security has been set to Low for the appropriate IE zone
- Scanned for spyware with Adaware
- all 3rd party popup blockers have been turned off
- System Mechanic 5 is installed.  However, the user says that it only runs when he manually runs it.

I can't recode this window to be a modal(or modeless) dialog because it does a POST back to itself.

Any ideas?  Because I'm tapped out...

Who is Participating?
Asta CuTechnical consultant & graphic designCommented:
SP 2 was supposed to have fixed some of the issues you see.... example:
323332 ASP Generates a New ASP SessionID Cookie for Every User Access Internet Information Services
Also got a lot of hits on asp session variables blank here:
Asta CuTechnical consultant & graphic designCommented:
Have they tried pasting the URL(s) into the Privacy Tab to allow? - IE - tools - internet options - Privacy - bottom pop up blocker and settings.

Any changes made in IE need IE to close for them tor register.  Then reopen and try again; clearing cache, history, old related cookies for the site and autocomplete items is sometimes necessary.
Asta CuTechnical consultant & graphic designCommented:
Re. Spyware tactics, in general, always recommend a deep scan of all drives when anomolies arise with updated VIruscan program.  Then this, which works for me...

ALSO, important, turn off system restore before doing this and Spyware
fixes, or the problem will return. Once cleaned, you should enable System
Restore again.

If Pop Ups arise, and Browser is hijacked, the quickest way to close the
Browser window is ALT+F4.

This is a central link here compiled by a number of our Experts with Spyware
tools, links and cautions/recommendations: 
HijackThis can scan your system and create a log (and fix some things) ...
once this log is created, post the log results in this free analyzer: 
This is the HijackThis Guideline and process that makes sense to me: 

Once you've run the log through the Analyzer, you're guided for the most
part with recommendations, and some can be fixed by HijackThis, but some may
show as "nasty" which aren't and may cause problems for you. So do
encourage you to read the above link for cautions on this. Let us know only
the line items which need further analysis by us.

My personal choices on the Spyware/Malware and Malicious BHO issue is to use
these two programs:
AdAware (I chose the paid version which is SE Professional) but both also
have free versions and always welcome contributions. Be sure it is the most
current and updated, also make sure you configure it to do Deep Scanning and
to include the HOSTS file. For Spybot S&D, if you choose that, be sure to
update it and use the Immunize function to block @ 2344 spyware/malware

Hope this is of help to you. Best wishes, let us know your progress.

":0) Asta
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