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Step 1

Spyware and viruses are known to cause problems with Internet Explorer shutting down unexpectedly. Download AVG, an anti-virus/anti-spyware application, from its website (see link in Resources). Download the free version or you can select the paid version if you want more options.
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Step 2

Click the tab labeled "Get it Now" in the section that describes the version you want to download.
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Step 3

Click on the link to "Check System Requirements" first to make sure your computer can handle this application. If you are satisfied that it can, scroll down and click on the "Download" or "Buy Now" tab for the version of AVG you want.
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Step 4

Follow the prompts that appear if any do. Once the download is complete, open the application.
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Step 5

Click the tab on the left-hand side of the page that says "Computer Scanner." In the next window that appears, select, "Scan whole computer." AVG will automatically remove any infections that it discovers.
Upgrade to Internet Explorer 8
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Step 1

Check your computer and find out what the operating system you are using (for example, Windows XP) and also check to see what version of Internet Explorer you are using currently. An out-of-date version of the software can cause problems with Internet Explorer shutting down unexpectedly.
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Step 2

Visit the website for Internet Explorer downloads and updates if you want to upgrade to Internet Explorer 8.
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Step 3

Click the "Download Now" tab. On the page that generates, select the locale and