Protection generally uses javascript, so to unlock the protection is with disabling / turn off javascript in it's browser.
Here's how to disable / turn off javascript for Google Chrome and Mozilla Firefox browser
(After Javacript is turned off, refresh the web page or blog that was protected).
Disable JavaScript in Google Chrome
• Click on the setting menu (tool logo on the right page)
• Then click Options
• Select Under the Hood
• Click on the Content Settings
• On JavaSript, select Do not allow any site to run JavaScript
Disable Javascript in Mozilla Firefox
• Go to Options Menu
• Select the Content Tab
• Remove the tick mark on the Enable JavaScript
• Click OK
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