That's a potentially unwanted program. You can get rid of it by simply uninstalling the program, or using an anti-malware if all else fails. First of all, try uninstalling the Object Browser program. '''To uninstall the Object Browser program...''' #Press the Windows Key+C simultaneously on your keyboard to bring up the Charms bar. #Search for ''Programs and Features''. #Click the ''Programs and Features'' search result. #In ''Programs and Features'', find ''Object Browser'' and uninstall it from your computer. #After uninstalling the program completely (and restarting your computer if you had to in order to complete the uninstallation), open Firefox, go to your Add-ons page, and remove the ''Object Browser'' add-on. If that didn't solve your problem, try some anti-malwares. '''To scan for Object Browser...''' '''''ADW Cleaner''''' #Download ADW Cleaner from its [http://www.bleepingcomputer.com/download/adwcleaner/ website]. #Open the downloaded file to start ADW Cleaner. #Scan for malware using the program. #Clean any infections. '''''Malwarebytes''''' #Download Malwarebytes from [http://malwarebytes.org this link]. #Open the downloaded file to install the program. #Upon completion of installation, run the program and scan for malware. #Remove any detected threats.