Software⏱️ 3 min read📅 2026-06-11

How to Fix: Mozy fails along with this error

MozyHome backup fails with FilesystemError2 due to incorrect security settings. Check and adjust security settings for the VSS writer or requestor process.

Quick Answer: Adjust security settings to resolve the issue.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

The error message indicates that MozyHome backup is failing due to a FilesystemError2, which is caused by an unexpected error querying for the IVssWriterCallback interface. This issue affects Windows 7 64-bit users and can be frustrating as it prevents the backup process from completing successfully.

This error is often caused by incorrect security settings in either the writer or requestor process, leading to a Volume Shadow Copy Service error. The solution involves resolving this security issue to allow the VSS writer to function correctly.

🛑 Root Causes of the Error

  • The primary cause of this error is an incorrect security setting in the VSS writer process. This can occur when the writer is not configured correctly or has insufficient permissions to access the necessary files and folders.
  • Another possible reason for this error is a conflict between the VSS writer and the requestor process, which can also be caused by incorrect security settings.

🚀 How to Resolve This Issue

Resolving Security Settings

  1. Step 1: Step 1: Open the Task Manager and go to the 'Details' tab. Find the MozyHome backup process and click on it to open its properties window.
  2. Step 2: Step 2: In the Properties window, click on the 'Security' tab and then click on the 'Edit' button next to the 'Local Security Authority' section.
  3. Step 3: Step 3: Add your user account to the 'Administrators' group by clicking on the 'Add' button and selecting your user account from the list. This will grant your user account the necessary permissions to access the VSS writer process.
  4. Step 4: Step 4: Restart the MozyHome backup service to apply the changes. You can do this by going back to the Task Manager and clicking on the 'Restart' button next to the MozyHome backup process.

Alternative Fix Method

  1. Step 1: Step 1: Disable any antivirus software that may be interfering with the VSS writer process. This can include third-party antivirus programs or system-wide settings.
  2. Step 2: Step 2: Check if there are any conflicting processes running in the background and close them before attempting to resolve the issue.

✨ Wrapping Up

By following these steps, you should be able to resolve the FilesystemError2 error and get your MozyHome backup process working correctly again. If you continue to experience issues, it may be worth reaching out to Mozy support for further assistance.

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