Some Windows users reported that an oops message pops up constantly with error code 0x80016CFA when browsing some webpages.
It is not an actual error alert, so you shouldnt believe any information listed in it.
Although this is a fake message, you must also take actions with caution.
Therefore, it is necessary to back up your system and important data regularly in the long run.
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How to Fix Windows Defender Error Code 0x80016CFA?
To do so:
Step 1.
Right-choose thetaskbarand selectTask Manager.
Under theProcessestab, right-opt for related process and chooseEnd task.
You should remove it immediately.
Heres how to do it:
Move 1: Uninstall Unwanted Programs
Step 1.
Typeappwiz.cpland hitEnterto launchPrograms and Features.
In the app list, find the newly installed or suspicious programs, hit it and chooseUninstall.
Move 2: Remove Unnecessary Extensions
On Google Chrome
Step 1.
Launch your online window.
Step 2. choose thethree-dot iconand chooseExtensions>Manage Extensions.
Toggle off the problematic extension and hitRemove.
you’ve got the option to take these actions to clear them to check for any improvement.
Launch your web client and click onthree-doticon to chooseSettings.
UnderPrivacy and security, click onClear browsing data.
Select thetime range> tick the items you want to clean > hitClear datato start the process.
To do so:
Step 1. fire up the controls of Google Chrome.
UnderReset tweaks, hitRestore tweaks to their original defaults.
Click onReset settingsto confirm the action.
In this case, performing a full scan of your system can help to detect and remove this error.
Go toUpdate & Security>Windows Security>Virus & threat protection.
Click onScan options> tickFull scan> hitScan nowto start the scanning.
Here are 10 tips to fix Windows Defender wont scan on Windows 10/11.
Also learn how to scan with Microsoft Defender Antivirus on Windows 10/11.
