First You Can Right-click on the Antivirus Program icon from the system tray and select.
After that, select the time frame for which the Antivirus will remain disabled.
Note: Choose the smallest time possible for example 15 minutes or 30 minutes.
When done, again check if the error resolves or not.
Press Windows Key + I then selectControl Panel. (Only in window 10) and Press Window Key + R after that type control panel.
After that, click on System and Security.
Then click on Windows Firewall.
Now from the left side window panel click on Turn Windows Firewall on or off.
After that select Turn off Windows Firewall and restart your PC. And see if you’re able to Fix Windows 10 Update Error 0x8007042c.
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