Crossposted to IE General.
What third-party firewall might you be running?
Error message after you install a Windows Internet Explorer 7 update from
Windows Update or from Microsoft Update: "Webpage cannot be displayed":
If tweaking your third-party firewall's settings don't help, try the
1. Disable your anti-virus application, any real-time protection provided by
an anti-spyware application (except for Windows Defender; includes Spybot
Tea Timer, SpySweeper Guards, AVG AS guard.exe, etc.), disable any
third-party firewall AND enable the Windows Firewall.
NB: You're "working without a net" now: Don't to ANYTHING else online (e.g.,
browsing; reading email; chatting) except #4 below until your anti-virus
application has been re-enabled! If you're running ZA Free firewall, you
may need to uninstall it instead of disabling it.
2. Uninstall "Security Update for Windows Internet Explorer 7 (KB944533)"
via Add/Remove Programs (make sure Show Updates box is checked at top right)
3. Re-do #1 above.
4. Go to http://windowsupdate.microsoft.com
and install any Critical Updates
offered. If "Root Certificates" update is listed in the Optional Updates
category, you might install it, too, to take full advantage of IE7's
5. Reboot > Make sure everything in #1 above is enabled again and, if
applicable, disable the Windows Firewall and enable your third-party
~Robear Dyer (PA Bear)
MS MVP-IE, Mail, Security, Windows Desktop Experience - since 2002
AumHa VSOP & Admin http://aumha.net
> I just installed 11 or 12 updated via the automatic update tool. After I
> rebooted IE 7 quit working. if I type in a URL without the http:// it
> redirects to http:/// and displays Invalid address error page. If I do
> qualify it with http:// It gives me the "Internet Explorer cannot display
> the webpage" page