How to Disable Internet Explorer on Your PC

June 3, 2011, By Christian Cawley

Setting your Windows PC to use a different browser is simply a case of downloading Firefox or Opera and configuring it as the default application for browsing the web – however if you intend to prevent access to Internet Explorer entirely, there are things to consider before proceeding.

In older versions of Windows, you cannot uninstall Internet Explorer; deleting the application will prevent various Windows processes from working correctly, or as quickly as intended. Windows 7 does not have this weakness, and thanks to various anti-trust cases brought against Microsoft, the browser is not as integral to the operating system as it once was..

Of secondary importance, you should also note that Windows Update uses Internet Explorer, so unless you have Automatic Updates enabled, preventing access to Internet Explorer might be a problem.

With these points in mind, it is pretty easy to disable Internet Explorer.

How to Disable Internet Explorer on Your PC

Block Windows Internet Explorer

When planning to block the default browser, bear in mind that the software will remain on your computer, but the tricks listed here can be used to prevent it from being accessed. You might want to prevent the browser form being used to access the web, in which case see the next section. Otherwise, if you want to use a different browser and prevent Internet Explorer from connecting to the Internet, you will need to clear the program defaults.

In Windows 7, follow Start > Default Programs > Set you default programs. Here you will find a screen that displays a selection of applications, tools and utilities that can be enabled and disabled. To block Internet Explorer, select it on the left, then Choose defaults for this program and confirm your selections by clicking OK.

If you’re planning to use an alternative browser, follow the same steps to select it and use Set this program as default to use it as a replacement for Internet Explorer.

Usefully, following the above instructions in reverse order will restore access to Internet Explorer.

Other Ways to Block Windows Internet Explorer

If you are blocking IE in order to close a potential security threat, there are other options. Primarily, you might open the browser, go to Tools > Internet Options > Connections > LAN settings, add a tick to the box Use a Proxy Server for your LAN and input an IP address of and a Port of 80.

Meanwhile you can prevent Internet Explorer accessing the web by changing the program associated with .html and .htm files.

To do this, open Windows Explorer (or right-click on My Computer and choose Explore) and go to Organize > Folder and search options > File Types and scroll through the list to find and clear the entries for .html and .htm files.

By following this guide, you should be able to successfully disable or block Windows Internet Explorer!

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