What is Err3.9939153.info? Is it Harmful?
Err3.9939153.info is a malicious domain which is created to offer a bogus technical support pop-up or “security alert,” claiming your computer has been infected by a Trojan malware and ask you to call the given number to fix it. However, it is a false warning message aims to trick you to purchase unwanted service or install rogue security programs to remove the Trojan malware. You should never trust it since it is a online scam.
