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Prevent a website from opening additional Firefox windows

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Some websites, when I click on a link, open another window with advertising. How can I prevent this secondary window from opening?

Thank you!

Some websites, when I click on a link, open another window with advertising. How can I prevent this secondary window from opening? Thank you!

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You can check for recently installed suspicious or unknown extensions.


Do a malware check with several malware scanning programs on the Windows computer. Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure that you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.

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