When one tries to open Internet Explorer and browse the Internet, they might get error 12029. The error will not allow you to open websites or download anything from the Internet. Follow the guidelines given here to fix this problem:

1. Change your antivirus software and firewalls

2. Re-adjust the network settings in your registry

3. Detect problems with the internet connection

4. Disable automatic detection of LAN settings

5. Clean Temporary Internet Files

Change your antivirus software and firewalls

Antivirus or firewall software installed on your computer may be conflicting with network connections. Uninstall existing antivirus and firewall software, if any, and download and install another one.

Re-adjust the network settings in your registry

Error 12029 mainly appears if the registry is not configured correctly. Re-set the network related keys and fill in the appropriate values. Windows Registry Editor is available in all major versions of Windows, including Windows 7, Vista, and XP.

Scan the entire registry with a good Registry Cleaner software and fix all the problems found in the network related registry entries. Keep in mind that the Windows registry is a critical part of the operating system and you should not manually modify any settings in this area if you are not an expert in troubleshooting computer software.

Detect problems with the Internet connection

Error 12029 in Windows 7, Vista, and XP may be occurring due to external factors, such as a problem with your computer’s Internet connectivity due to ISP errors.

1.Click Start | All programs | Accessories.

2. Right-click Command Prompt and select Run as administrator.

3. Type the following command and press ENTER:

Ping 192.168.1.0

Note: In step 3, for accurate results, replace the IP address with the one provided by your Internet Service Provider. Contact him for more information.

4. What figure do you see in the percentage (%) loss at the end of the result? If you see 0, it’s a problem with your network settings or Internet Explorer. If the value is greater than 0, there are problems with your ISP or broadband Internet connection cabling. In such a case, contact your ISP for assistance.

Disable automatic detection of LAN settings

Change Internet Explorer settings so that LAN settings are not automatically detected. Here are the steps to resolve error 12029:

1. Open Internet Explorer.

2.Click Tools | Internet Options.

3. Click the Connections tab.

4. Click the LAN Settings button.

5. Uncheck the Automatically detect settings box and click OK | IT’S OKAY.

6. Restart Internet Explorer.

Clean Temporary Internet Files

Temporary Internet Files could cause error 12029 in Windows 7, Vista, and XP. It is recommended to remove all temporary Internet files using an external System Cleaner application. However, alternative steps are provided here:

1.Click Start | All programs | Accessories | System tools | Disk cleanup.

2. Select a drive and press ENTER.

3. Follow the instructions on your screen.