Norton sucks but o well.
Unlike typical pop-ups (stopped with available blockers) 3rd party cookies are entirely different critters. When PC's (personal confusers) misbehave, like pop-up's, going to unrequested sites, goofy warnings, etc.; one step to help reduce annoying pop-ups & unrequested websites from being displayed on your machine is to turn off 3rd party cookies, and always leave them off.
INTERNET EXPLORER: Tools> Internet Options> Privacy> Advanced: here check 'Override automatic....'; 'Allow session cookies'; 'Allow 1st party cookies'; & 'Block 3rd Party Cookies'.
FIREFOX: Tools> Options> Privacy: here UN-CHECK 'Accept 3rd Party cookies'
OPERA, et al: not sure, check under 'options' for this.
Because architecture of the Internet (notably 'Flash' scripting), vulnerabilities are readily exploited in Internet Explorer, & it is now urgent that you use Firefox WITH the 'NoScript' add-on, which will prevent "Click-jacking'.
NoScript: https://addons.mozilla.org/en-US/firefox...
For a somewhat detailed (but not overly tekky) explanation of all these 'Click-jacking' effects (and they are scary!) go to
http://www.grc.com/securitynow.htm
episode 168.
Then, you'll have to ERADICATE MALWARE with Spybot, Ad Aware, and all available trusted cleaners & Anti-virus software, and suggested
TOOLS FOR SPECIFIC INFECTIONS listed from other posts in this forum.
Note: some current 'rouge' malware will undo this change, so you might have to redo this step after malware has been eliminated.
Search and destory
Search that on google and download.
Scan and clean.



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I have this too on my laptop, it was alot worse though it has completely messed my laptop up, it's through spyware.


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