59857: Acronis True Image 2017 and Acronis Backup 12.5: deleting backups in Windows Explorer fails with "Folder access denied"

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  1. You have Acronis True Image 2017 New Generation or Acronis Backup 12.5.
  2. You want to delete a backup file using Windows Explorer.
  3. Deletion fails with a "Folder access denied" error:


Acronis Self-protection is turned on. Self-protection is a setting of Acronis Active Protection that protects Acronis own processes, backups, and archives from ransomware, unauthorized changes, or deletion.


We recommend deleting backups in product interface.

If you absolutely need to delete backups manually in Windows Explorer, do the following.

In Acronis True Image:

  1. Open Acronis True Image.
  2. On the sidebar, click Settings.
  3. Find Acronis Active Protection section.
  4. Clear the check mark from Protect all Acronis True Image files from ransomware.
  5. Delete files.
  6. Mark Protect all Acronis True Image files from ransomware again to enable Self-Protection.

In Acronis Backup:

  1. Open Acronis web console.
  2. In Devices, find the affected machine.
  3. Click Active Protection.
  4. Click Edit.
  5. Disable the Self-protection switch.
  6. Save changes.
  7. Delete files.
  8. Enable Self-protection.
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