Extension get663.com self-installs and slows firefox. I tried deleting it, it comes back...over and over.
Would like a permanent solution to the problem of the get663.com extension. It is slowing down my browser and no matter how many times I delete or take away permissions, it comes back. It isn't linked to a particular action I take...it seems to just 'pop up' randomly.
Thanks! Andy
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Hi
This sounds very much like malware. I recommend that you follow the guidance in this support article:
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware
Perhaps an extension you installed or updated recently in Firefox is the culprit?