How to fix error code 0x8007042C on any web browser?

by Gabriel E. Hall - -


Issue: How to fix error code 0x8007042C on any web browser?

Hello. I‘m in a serious problem. Microsoft has sent me a warning that ransomware activity has been detected on my PC. I received a pop-up notification while web browsing on Chrome. The message indicates Error Code 0x8007042C and prompts me to call for certified technicians. I‘m afraid to lose personal files, but I have some doubts whether should I call for them or not. Could you please tell me what should I do?

Solved Answer

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There are two types of Error Code 0x8007042C. One referrs to Windows Update error, which emerged a couple of weeks for Windows 10 Insiders who have either clean insalled Windows 10 or upgraded to the latest build. However, recently people started reporting a new type of 0x8007042C error, which emerged on web browsers, including Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, and others.

Why do I get Error Code 0x8007042C while browsing?

In comparison to Windows Update error 0x8007042C, the same error code shows up while web browsing not because of system‘s malfunction, but its infection. If the alert that you receive claims that „Suspicious Ransomware Activity detected” on your PC and recommend you to call for Microsoft certified technicians, you should immediately scan the system with a professional anti-malware, for example, Reimage. That’s because error code 0x8007042C, which warns people about ransomware activity and risk of losing personal information, your PC is infected with malware, namely adware.

a printscreen of 0x8007042C error

Symptoms of 0x8007042C error

Usually, Error Code 0x8007042C or „Suspicious Ransomware Activity detected pop-up shows up unexpectedly. It emerges on a web browser, which is set by default. Immediately after that, web browser’s screen gets stuck and can only be closed by force. The full message says:

Error: “0x8007042C“
Firewall Breach Detected
Windows Firewall Status: Disabled
Reason:  Ransomware Attack Detected
Internal Configuration: Altered
Your Windows Firewall has been Disabled
Possibly due to Internet Infection or Un-
Authorized Connection Through Your IP Address
It Can Cause:
1) Possible Data Loss
2) Identity Theft
3) Loss of Email / Social Networking / Personal Passwords
4) Credentials Stored or Used on the Computer
Consult Microsoft Network Security Advisor
Immediately on the Toll Free Number: +1 -844-699-8351

The message provided above is dubbed as „Suspicious Ransomware Activity detected” scam. Its purpose is to trick inexperienced PC users into dialing a given number. The scammers on the other side of the handset may try to trick you into disclosing personal details to make you subscribe useless services or make connect to your PC remotely.

Fixing Error Code 0x8007042C Scam

Step 1. Force web browser to close

When the screen gets stuck with the 0x8007042C error, you’ll have to close it by force via Task Manager:

  • Press Ctrl + Alt + Esc.
  • Locate the process of your web browser, click it, and select End Task.

NOTE: do not restore the last browsing session when reopening your web browser.

Step 2. Boot your PC into Safe Mode

  • Press Windows key and move your cursor over the Power button.
  • Press and hold the Shift key and select Restart.
  • When PC restarts, choose TroubleshootAdvanced OptionsStartup Settings.
  • Click Restart.
  • You will then see a new table with the list of boot settings. Press F5 to enable Safe Mode with Networking mode.

Step 3. Delete Malware

  • Right-click on Windows key and Select Control Panel.
  • Find suspicious/uknown programs, right-click on them, and select Uninstall.
  • Repeat the same steps with each doubtful application.

Step 4. Reset your web browser

How to reset Microsoft Edge?
How to reset Internet Explorer?
How to reset Mozilla Firefox?
How to reset Google Chrome?

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About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate computer expert

Gabriel E. Hall is an expert troubleshooter who has been working in the information technology industry for years.

Contact Gabriel E. Hall
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