Windows: Remove Security Warning Message from Downloaded Files

Assuming you are an advanced Windows user with antivirus software installed and are downloading safe files, you may still encounter the “Zone Information” security warning.

The question is, how can you remove this security warning for good?

For a single file

To unblock a single file:

1. Right-click the file.
2. Select Properties.
3. In the Properties menu, select Unblock.

Permanently Disable

To disable the “Zone Information” security warning for all future downloads:

1. Open gpedit.msc as administrator.
2. Navigate to: User Configuration > Administrative Templates > Windows Components > Attachment Manager.
3. Enable “Do not preserve Zone information in file attachments”.

4. In Command Prompt, execute gpupdate /force or restart the computer.