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When browsing, my pages are often redirected at random--sometimes to objectionable sites. How do I stop this?

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This is not a problem that has to do with searches. If I go to one of my regular web pages, say Yahoo!, the site will come up, then disappear when I'm redirected to some other page. The new page is random: sometimes something I've searched or used before, such as Amazon.com, sometimes a random site, such as a dating or school web site, and sometimes porn. It first started with facebook, but has spread to nearly any page I open. Today, I was on a secure web site (my bank) when redirected. Please help!

This is not a problem that has to do with searches. If I go to one of my regular web pages, say Yahoo!, the site will come up, then disappear when I'm redirected to some other page. The new page is random: sometimes something I've searched or used before, such as Amazon.com, sometimes a random site, such as a dating or school web site, and sometimes porn. It first started with facebook, but has spread to nearly any page I open. Today, I was on a secure web site (my bank) when redirected. Please help!

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Perform a thorough malware scan using several scanners (use only the free scanners, no need to buy one)


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Not related to your question, but...

You may need to update some plug-ins. Check your plug-ins and update as necessary:

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Also, disable any add-on in Firefox which is related to Facebook. I wouldn't trust any Firefox add-on for Facebook that wasn't installed directly from the official Mozilla Add-ons website - https://addons.mozilla.org/en-US/firefox/ - where all the add-ons are scanned multiple times before even being allowed to be uploaded and offered as "Experimental", and are read line-by-line for exploits before they leave the "Experimental" category.