You may end up having to format & reinstall Windows, given the amount of
messing around you've done. That being said...
You may have a horked (dirty; bad; flawed) install of IE7. I suggest that
1. Uninstall IE7 (which automatically returns you to IE6) EXACTLY per
[Only use the Command
%windir%\ie7\spuninst\spuninst.exe if you cannot uninstall via Add/Remove
2a. Uninstall all toolbars and third-party Windows Themes (including Window
2b. Disable all Norton Add-ons, if applicable.
3. Reinstall IE7 EXACTLY per
<= Steps #1-8, #10 &
#11; take note of #12, then STOP!
NB: Use http://www.microsoft.com/windows/downloads/default.mspx
installation source, not Automatic/Windows Update.
Or Direct Download link:
Tip: Save the installer to your desktop, do not Run it.
4. IMMEDIATELY go to http://windowsupdate.microsoft.com
and install any
critical updates offered. If a "Root Certificates" update is listed in the
Optional category, install it to take full advantage of IE7's additional
IEBlog : IE7 (Un)Installation and Anti-Malware Applications
What's New in Internet Explorer 7
IEBlog: IE and Windows XP Service Pack 3
~Robear Dyer (PA Bear)
MS MVP-IE, Mail, Security, Windows Desktop Experience - since 2002
AumHa VSOP & Admin http://aumha.net
> After upgrading to Internet Explorer 7 on Windows XP SP3, Internet
> Explorer does not open. There are no error messages. The process
> simply does not start. I've tried re-registering the associiated
> dll's after setup, and running without add-ons. I've even tried
> system restore, an in-place upgrade, and manually reverting the
> registry hives to an earlier date. Has anyone seen this behaviour