Software⏱️ 3 min read📅 2026-05-29

How to Fix: Windows 10 Restore Previous Versions not working - C: drive "Unspecifi

Windows 10 Restore Previous Versions not working due to unspecified shadow copies, try enabling System Protection and checking for corrupted system files.

Quick Answer: Enable System Protection on the C: drive by going to File Explorer > Properties > Advanced > System Protection, then check for corrupted system files using SFC scan or DISM tool.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🛠️ Step-by-Step Verified Fixes
  3. 💡 Conclusion

The error 'Unspecified' in the Windows 10 Restore Previous Versions feature when selecting the C: drive indicates that System Restore is not enabled or configured correctly. This issue can occur due to various reasons, including a corrupted System Restore point, inadequate disk space, or incorrect file system settings.

⚠️ Common Causes

  • System Restore is not enabled or configured correctly.
  • The System Restore point is corrupted or incomplete.
  • Inadequate disk space or file system settings are causing the issue.

🛠️ Step-by-Step Verified Fixes

Method 1: Enable System Restore

  1. Step 1: Press the Windows key + R to open Run, type sysdm.cpl, and press Enter.
  2. Step 2: In the System Properties window, click on the 'System Protection' tab.
  3. Step 3: Click on the 'Configure' button next to System Restore, then select a drive (usually C:), set the size limit to 100 MB, and click OK.

Method 2: Repair System Restore

  1. Step 1: Open Command Prompt as an administrator.
  2. Step 2: Type the command sfc /scannow and press Enter to scan for corrupted system files.
  3. Step 3: If any corrupted files are found, type the command sfc /fixnow and press Enter to repair them.

Method 3: Rebuild System Restore

  1. Step 1: Open Command Prompt as an administrator.
  2. Step 2: Type the command chkdsk C: /f and press Enter to check for disk errors.
  3. Step 3: If any errors are found, type the command chkdsk C: /r and press Enter to rebuild the System Restore point.

💡 Conclusion

By following these steps, you should be able to resolve the 'Unspecified' error in Windows 10 Restore Previous Versions and access your System Restore points.

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