Please update your Flash as it is out of date and is a security risk and can also cause issues when it is out of date. https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> I would think you need to start here after you have updated your Flash https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware If a program finds issues, save the log file for further help and post in the anti malware site of your choice (usually the program you pick) Do not post in more than 1 site, Wait for a Response. Please let us know if this solved your issue or if need further assistance.