Your browser may display a “This browser has been locked” message if your computer has been infected by malware that deceptively poses as the FBI. The malware will instruct users to pay a fee to have their Internet browser unlocked, but you can unlock your browser free of charge by either resetting or quitting your browser in Windows and Mac OS X.

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Unlocking Your Browser in Windows

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    Right-click on the Windows taskbar located on your desktop.
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    Click on “Start Task Manager. The Task Manager window will display on-screen.
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    Click on the Processes tab, then click on “Show processes from all users.
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    Click on the process currently being ran by your Internet browser. For example, if you are using Google Chrome as your browser, click on “chrome.exe.”
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    Select “End Process” from the floating menu displayed on-screen.
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    Click on “End Process” again when asked to confirm that you want to end the process.
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    Click on “Yes” to end the process. The next time you launch your browser, it will no longer be locked.

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Resetting Your Browser on Mac OS X

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    Click on “Safari” and select “Reset Safari.

    • If using Firefox, click on “Help > Troubleshooting Information > Reset Firefox.”
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    Verify that all items are checked within the Reset dialog box and click on “Reset. Your browser will restore back to default settings, and will no longer be locked.

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Force Quitting Your Browser on Mac OS X

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    Press the Command, Option, and Escape keys all at the same time on your Mac computer. The Force Quit window will display on-screen.
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    Select the browser that is being locked by the malware program and click on “Force Quit. Your browser will stop running, and will no longer be locked.