The error code 16 this request was blocked by the security rules usually occurs while visiting certain websites.
Our viewers have received multiple messages regarding error code 16: The security rules blocked this request.
So, we have decided to explore the error alert.

Sometimes, Antivirus tools and firewalls block the website, leading to the error code.
This happens due to an incompatibility between the SSL validation date and the System clock.
In this method, you gotta check the date and time to fix the fault signal.

Right-press the taskbar and select Adjust Date & Time.
Under the Date & Time configs, make the appropriate changes if required.
So, you gotta determine whether the problem is with the internet or your PC.

Simply visit the website using a different gadget in your web connection.
If you dont get the error, you will have to make changes to your PCs web link prefs.
3. deactivate the Proxy Server
Proxy servers are another leading cause of Error Code 16 on Windows.

The best way to get rid of it is to shut down the Proxy server on your PC.
If youre using a dedicated Proxy app, you better disable it as well.
On Windows, heres how to suspend the Proxy server.

Once disabled, try accessing the website showing you Error Code 16.
Its very possible that youre getting the error just because of a system-level bug.
If this is the problem, you will have to revamp your Windows PC.

Also, its a good security practice to keep the operating system up to date.
In this way, you will be able to enjoy the new features and better stability.
Windows will automatically check for the available updates and download them in the background.

Reset Your Web online window
An outdated online window or incorrect online window tweaks sometimes lead to such errors.
Resetting the Chrome internet tool is easy.
Go toSettings > Reset options,thenclick onRestore options to their original defaults on the right.

Next, press theReset settingsoption.
To fix that, you better turn off the Antivirus software and Firewall rules.
you could shut down the Antivirus software from the taskbar.

To deactivate the Firewall, head to the Control Panel and deactivate the Firewall from the Firewall configs.
To eliminate that restriction, you will have to use a VPN app.
With a VPN, it’s possible for you to hide your IP Address and visit the blocked site.

it’s possible for you to read our article on thebest Windows VPNsto pick the best VPN app.
you should probably ask your ISP to look into this issue.
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