The toll-free number 0800-090-3246 is engaged in a massive scam campaign currently run by hackers online. These crooks who stand behind this scam aim to scare users into thinking their PC is in a horrible condition. It indeed is true that your computer is infected by some adware or potentially unwanted program. But this 0800-090-3246 pop-up does not intend to help you fix it. It is just the continuation of the malicious job currently being implemented by adware in your computer.