It can warn you before opening some potentially harmful files that belong to the high-risk pop in.
To help protect your gear, Windows has blocked access to this file.
Scroll down to get detailed instructions.
![]()
Always receive Open File security warning in Windows 10/8/7?
you could choose to disable this warning if you think it is annoying by following these methods.
By doing so, you could recover your data easily when unexpected data loss occurs.

When it comes to backup, a freePC backup softwarecalled MiniTool ShadowMaker might help you out.
Download, install, and launch MiniTool ShadowMaker.
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
Step 2.
![]()
In theBackuppage, click onSOURCE>Folders and Filesto grab the files that you want to protect.
InDESTINATION, select a storage path for the backup image files.
Click onBack Up Nowto start the process immediately.

This post tells you how to back up a computer.
How to Fix Windows Has Blocked Access to This File?
Way 1: Unblock the File via Properties
Step 1.

Right-tap on the blocked file and selectPropertiesfrom the context menu.
Under theGeneraltab, tickUnblockand give this operation administrative rights.
Click onApply&OKto save the changes.
Way 2: Change Local Policy prefs
Step 1.
Locate to the following path:
User Configuration>Administrative Templates>Windows Components>Attachment Manager
Step 4.
In the right pane, double-click onDo not preserve zone information in file attachments.
TickEnabledand then save the changes.
Step 6. reboot your system.
If it is known to be safe, it can pass through the filter.
In this case, you might trigger Windows SmartScreen and choose to run it anyway.
To do so:
Step 1. kick off the blocked file to triggerWindows SmartScreen.
In theWindows protected your PCwindow, click onMore info.
Then, click onRun anywayto kick off the file.
Final Words
This post introduces how to unblock files downloaded from internet in 3 ways for you.