How to Disable “Open File Security Warning” on Windows 11 & 10?


On Windows 11/10, various protective features prevent users from running apps that may be harmful. When you run an EXE to install an app, you run into the Windows SmartScreen asking if you’re sure you want to run the app and allow it to make changes to your system. It is an average level of protection, and you shouldn’t disable it; however, if you see the Open File – Security Warning prompt for all files you open, your security settings have been set above the average level.

Quick Note: Disabling the security warning is a security threat in itself. Do this if your PC has a robust, updated antivirus program.

This risewindows article will guide you on disabling the Security Warning message. Publishers often pay Microsoft to have their installation files digitally signed. So, when the files are not digitally signed, you could get a warning message. Here’s how you can disable the popup.

How to disable “Open File Security Warning” on Windows 10/11?

Step 1. First, press Windows + R keys to open the Run dialog box.

Step 2. Now, in the Run command box, type the following and hit Enter from the keyboard:-


Step 3. Then, the Internet Properties window will open. Click the Security tab.

Step 4. After that, click the Custom level button from the Security tab. Security Settings – The Internet Zone dialog box will open. Scroll down to see the “Launch applications and unsafe files (not secure)” entry.

Step 5. Next, select the Enable (not secure) radio button.

Step 6. Then, click OK.

Step 7. After that, in the next prompt, click Yes.

Step 8. Now, click Apply.

Step 9. Last, click OK.

After completing the above steps, the Open File Security pop-up message will no more visible on your PC. Then, you can run any downloaded file from the internet without warning.

If you want to restore/enable the default settings, i.e., “Open File Security Warning” on Windows 11/10, repeat the above steps, and in step 4, click the Reset button. Windows 10/11 will prompt you with a Security Warning when you run a file without being digitally signed by Microsoft.

That’s it for the article.

I hope this post has been helpful to you.

Good luck & keep reading, guys.

Also, read How to Format USB Drive or Pen Drive on Windows 11, 10, 8, or 7?

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