Internet Explorer 7 Slow to Respond after Applying Security Update in Windows XP

Many people are reporting Internet Explorer 7 is slow to respond after applying a Security Update (Hotfix). I have seen this behaviour on many systems in the last couple of weeks. All the systems I have encountered with this problem had literally 10s of thousands URLs (websites) listed in the Restricted Zone for Internet Explorer which is located in the Internet Options Security page. When there is literally 10s of thousands URLs listed in the Restricted Zone, Internet Explorer will scan through all of the Restricted sites every time you navigate from one web page to another which will cause the slow response of Internet Explorer.

How did all these sites get listed in the Restricted Zone?

Anti-malware products such as Spybot – Search and Destroy, Webroot Spy Sweeper, and Javacool SpywareBlaster are some anti-malware products that use the Restricted Zone to help protect you from malicious web sites.

Will Microsoft fix this problem?

I highly doubt Microsoft will fix this issue of having 10s of thousands URLs (websites) listed in the Restricted Zone because the Restricted Zone was not designed for the purpose of anti-malware products adding thousands of web sites to the Restricted Zone. The Restricted Zone was designed for you to put in web sites in the Restricted Zone not anti-malware products bogging down the Restricted Zone.

Method 1 – Remove URLs from Restricted Zone using Internet Options (RIES)

NOTE

To enlarge the images, simply click on the images you would like to view. With Internet Explorer 7, you can right-click on the image to select Open in New Tab.

  1. Click Start then click Run….
  2. Type inetcpl.cpl in the Run dialog box.
  3. Click OK.
  4. The Internet Options applet should open, Click the Advance tab. Refer to Image below.

     

  5. Click the Reset… button under Reset Internet Explorer settings. Refer to Image below.

     

Method 2 – Remove URLs from Restricted Zone using Windows XP Registry Editor

CAUTION

Before making any changes to the Windows XP Registry, please backup your Windows XP Registry using the direction from "Using ERUNT to back up the Windows XP Registry".

  1. Click Start and then Run….
  2. Type regedit.exe in the Run dialog box.
  3. Click OK.
  4. Navigate to:

    HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains

  5. Delete all sub-keys in the Domain key.
  6. Navigate to:

    HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains

  7. Delete all sub-keys in the Domain key.
  8. Navigate to:

    HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains

  9. Delete all sub-keys in the Domain key.
  10. Exit Windows XP Registry Editor.

Method 3 – Remove URLs from Restricted Zone using REG DELETE

CAUTION

Before making any changes to the Windows XP Registry, please backup your Windows XP Registry using the direction from "Using ERUNT to back up the Windows XP Registry".

  1. Click Start and then Run….
  2. Type cmd.exe in the Run dialog box.
  3. Click OK.
  4. Type:

    REG DELETE "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains"

  5. Press ENTER on your keyboard.
  6. Type:

    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains" /ve

  7. Type:

    REG DELETE "HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains"

  8. Press ENTER on your keyboard.
  9. Type:

    REG ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains" /ve

  10. Press ENTER on your keyboard.
  11. Type:

    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains" /ve

  12. Type:

    REG DELETE "HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains"

  13. Press ENTER on your keyboard.
  14. Type:

    REG ADD "HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains" /ve

  15. Press ENTER on your keyboard
  16. Type EXIT and press ENTER on your keyboard.

Method 4 – Remove URLs from Restricted Zone using an Registration File

CAUTION

Before making any changes to the Windows XP Registry, please backup your Windows XP Registry using the direction from "Using ERUNT to back up the Windows XP Registry".

  1. Download Rmv.Rstrctd.Zns.reg to a folder on your hard drive.
  2. Right-click Rmv.Rstrctd.Zns.reg to select Merge.
  3. The URLs for the Restricted Zone should now be removed.

NOTES

The Rmv.Rstrctd.Zns.reg file is from my web server (http://lprf.homeserver.com).  You also can view the contents of the Rmv.Rstrctd.Zns.reg file by right-clicking the file and selecting Edit. You may need to log off then log on to your user account or restart your computer for the changes to take affect.

Platforms Tested

  • Microsoft Windows XP Editions

Version 1.2
Edited: May 4, 2012

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3 Responses to Internet Explorer 7 Slow to Respond after Applying Security Update in Windows XP

  1. Niki says:

    Add me to the list of slow computer performance after adding windows live update and hotmail plus update.  My entire computer, including enteries to MSWord has slowed to the point that I don\’t want to use my computer due to the large increase in the time it takes to do anything with my computer

  2. Graham says:

    Thanks, Rmv.Rstrctd.Zns.reg merge worked a treat for me, saved me having to delete them all one at a time… Nice work!
     
    Cheers, Graham

  3. David says:

    Hi Bill,I needed to unblock a URL, but it wsn\’t showing in the list. Your tips worked a treat, so many thanks…Best regardsDavd MooreBerkshire, UK

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