'Network Security Breach' Pop-Up

The 'Network Security Breach' pop-ups are generated on untrusted pages and aim to confuse PC users. Computer security analysts alert that the 'Network Security Breach' pop-up windows may attempt to convince users that the Microsoft has detected 'Error: 0x8007042C' and a 'RANSOMWARE ATTACK' has altered their internal settings. Do not trust the 'Network Security Breach' messages and refrain from calling the phone number listed on your screen. The 'Network Security Breach' alerts may promote technical support services on the 844-699-8351 toll-free phone line and claim that Microsoft has blocked your Internet access for "safety reasons." The 'Network Security Breach' scam is recorded to use pop-up loops and recently registered pages to convince users that Microsoft blocked their Internet access. The text on the 'Network Security Breach' pop-ups reads:

'Error: 0x8007042C
WARNING!!!
Customer, your system has detected a network security breach. Please call the toll-free number below for a Microsoft Certified technician to help your resolve the issue:
For your safety, please of not open Internet browser to avoid data corruption to the registry of your operating system.
Please contact support at the 1-844-699-8351 toll-free Helpline.
PLEASE DO NOT SHUT DOWN OR RESTART THE COMPUTER, DOING THAT MAY LEAD TO DATA LOSS AND POSSIBLE FAILURE OF THE OPERATING SYSTEM, AND POTENTIAL NON BOOTABLE SITUATION RESULTING IN COMPLETE DATA LOSS. CONTACT MICROSOFT CERTIFIED TECHNICIANS TO RESOLVE THE ISSUE
CALLING 1-844-699-8351TOLL FREE'

The 'Network Security Breach' warnings may suggest that you can lose data and control of your email account and the profile on Facebook and personal banking account if you ignore the 'Error: 0x8007042C' report. Microsoft Corp. encourages users to submit reports regarding the sites used in the 'Network Security Breach' tactic at Microsoft.com/en-us/reportascam/. Cybersecurity experts note that Web surfers should take advantage of the built-in reporting features in Chrome, Firefox, Internet Explorer, Edge and Opera to help in the fight against phishing pages that are registered by dozens every day. The Alt+Shift+I command in Chrome brings up the report page window; Alt+H+D shows the 'Report Web Forgery' window in Firefox; open the menu and click Help > Report a Site Problem in Opera to report a deceptive page; in Edge click on the three dots > Send Feedback > Report unsafe site; in IE click on the gear icon > Safety > Report unsafe site. You should keep track of the page encryption, digital certificate, typos, strange logos and intrusive pop-up alerts. You can block access to untrusted pages by using a reliable anti-malware shield, extensions like uBlock Origin, various Web Filters, and whitelist JavaScript only on pages you trust.