IE Defender is rogue anti-malware ( fake software ). IE Defender is usually installed via an iFrame exploit on found on a lot of shady porn sites.
Once IE Defender is installed it will “find” threats and errors on your pc. These messages are fake. Never download IE Defender and never pay for it. If you did pay for IE Defender you should cancel your credit card.
To remove IE Defender you can follow our removal guide here.
