This file came from another computer and might be blocked [SUPER GUIDE]

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this file came from another computer and might be blocked

Home » Fix » This file came from another computer and might be blocked [SUPER GUIDE]

This file came from another computer and might be blocked to help protect this computer message can appear while you’re trying to run a potentially dangerous file. While this error-message is basically a security function, it could, at times, become a nuisance.

Therefore, we’ll be bringing you some of these fixes that can fix this error once and for all.

How can I fix This file came from another computer and might be blocked to help protect this computer error? To fix this issue, it’s advised to modify your registry. If you’re not feeling comfortable modifying the registry, you can also change these settings from Group Policy Editor. If these methods don’t work, you can always fix the issue by using Powershell.

How to fix This file came from another computer error?

  1. Fix via Registry Editor
  2. Fix via Group Policy Editor
  3. Delete Data Streams
  4. Fix via Windows Powershell Command

1. Fix via Registry Editor

If you’re getting This file came from another computer and might be blocked to help protect this computer error, you might be able to fix it by making a few changes in your registry. To do this, follow the steps below:

  1. Press Windows Key + R to open the Run dialog box.
  2. In the box, key in regedit and click OK. This will open the Registry Editor.regedit this file came from another computer and might be blocked to help protect this computer windows 10
  3. In the next window (Registry Editor), go to the Policies path: Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies.policies registry this file came from another computer and might be blocked to help protect this computer windows 10
  4. Right-click on the Policies menu, select New and then click on Key (the new key should be tagged Attachment).new key this file came from another computer and might be blocked to help protect this computer windows 10
  5. On the right-hand side, navigate to an unoccupied area and right-click.
  6. Select New and click on DWORD (32-bit) Value.
  7. Rename and save the new key as SaveZoneInformation.
  8. Right-click on it and set its value to 1.
  9. Exit program and restart PC.

Once this is done, check if the problem is resolved. If it persists, you can try the next fix.

Note: This only ensures that subsequent transfers/downloads are not affected or blocked. As such, previously saved files remain unfixed. Same applies to the next solution.


2. Fix via Group Policy Editor

One way to fix This file came from another computer and might be blocked to help protect this computer error is to modify your Group Policy settings.

To do that, follow the step-by-step guidelines below:

  1. Open the Run dialog box by pressing Windows Key + R.
  2. In the pop up dialog box, enter gpedit.msc and press Enter. This will take you to the Group Policy Editor.gpedit this file came from another computer and might be blocked to help protect this computer windows 10
  3. On the display window, locate and select User Configuration.group policy editor this file came from another computer and might be blocked to help protect this computer windows 10
  4. Select Administrative Templates.
  5. In the next window, click on the Windows Component.
  6. Select Attachment Manager.
  7. On the Attachment Manager window, locate the Do not preserve zone information in file attachments option, and select Enabled under it.
  8. Click Apply.
  9. Exit program and restart PC.

Once your PC reboots, check if the issue is resolved. If it’s not, you can try the next solution.


Your Windows 10 PC doesn’t have Group Policy Editor? Enable it with this simple trick!


3. Delete Data Streams

delete data streams This file came from another computer

As emphasized above, the first two (conventional) solutions are only effective in providing safe passage for future transfers and/or file downloads. To unblock the existing files, you can try and delete certain data streams, and see if it resolves the issue.

Basically, in this case, all streams tagged Zone:Identifier:$Data$ should be deleted to bypass all security designs and restrictions placed on the downloaded/transferred files.

To delete data streams on Windows 10, follow the steps as outlined below:

  1. Download streams (in executable ‘exe’ format).
  2. Run the extracted .exe file.
  3. In the next window, click on Browse and navigate to the affected folder or file directory.
  4. Click on the Scan.
  5. After the scan, locate and select all files with the tag: Zone:Identifier:$Data$.
  6. Right-click on the selection and select Delete Selected Streams from the list of options.
  7. Close program and restart PC.

This, if properly executed, should fix the error. Consequently, all affected files would be unblocked.

If the issue remains unsolved, try the next solution.


4. Fix via Windows Powershell Command

This is another method that might fix This file came from another computer and might be blocked to help protect this computer error. To fix the error via Windows Powershell command, follow the steps below:

  1. Launch Windows Powershell as an Administrator.powershell this file came from another computer and might be blocked to help protect this computer windows 10
  2. Enter the following command:
    dir C:\Downloads -Recurse|Unblock-Fil

    and hit the Enter key.powershell command this file came from another computer and might be blocked to help protect this computer windows 10

  3. Close program and restart PC.

This should fix the error.

There you go, these are four simple solutions that should fix This file came from another computer and might be blocked to help protect this computer error on your PC, so be sure to try them all.

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