By default, the Windows 10 built-in antivirus automatically sends samples of suspicious files from your computer to Microsoft. While this helps increase Security, you can choose to disable this option, if you prefer. Here, we will show you how to turn off this option on your PC.
Why Windows Defender Send Files to Microsoft
The Windows 10 built-in antivirus program, known as Windows Security or Windows Defender, sends suspicious files to Microsoft for the company to learn about new viruses and other threats.
These sample files sent from your computer help Microsoft equip its antivirus with new virus definitions. That way, the next time a virus or malware is found on someone’s PC, the Windows 10 built-in antivirus can block the file right away.
Microsoft attempts to exclude personal information from these submitted files. If there is a file that may contain any information about you – for example, a Microsoft Word document with macro that looks suspicious – Windows will ask you for permission before sending the file.
How to Stop Automatic Sample Submission?
You can stop the Windows 10 antivirus from sending files to Microsoft if you don’t feel comfortable with this feature. The choice is yours.
To disable the option, open the “Start” menu, search for “Windows Security,” and click the app in the results.
When the Windows Security window opens, click “Virus & protection protection.”
Scroll down and look for the “Viruses and threats to protect” settings section. Click the “Manage settings” link.
Here, find the “Automatic Sample Transfer” option and turn it off.
Although automatic file transfers are now disabled, you can still send manually samples of potential threats to Microsoft. Click the “Send sample by hand” option in the screen above to go to the site where you can upload your suspicious files.
If you install a non-Windows Security antivirus, it may automatically upload certain files to other antivirus servers. The Windows Security option only controls the built-in antivirus of Windows 10, not any third-party antivirus programs that you have installed. Check your antivirus program settings for more details.
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