⚠️ 3 verified solutions available for Error 1010 — Last updated 2026-03-13
Error 1010 📋

Fix ERROR_BADKEY — Windows Error Code 1010

Error 1010 (ERROR_BADKEY) is a Windows Configuration error that occurs when the configuration registry key is invalid.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 1010 📛 ERROR_BADKEY 📅 Updated: 2026-03-13 ⏱️ 3 Solutions

🎮 Common Scenario: Are you experiencing Error 1010 while launching or installing Fortnite? The solutions below directly address the system interactions specific to this application.

Quick Fix

Restore Registry from Automatic Backup: Boot into Recovery Mode: Hold Shift while clicking Restart

👇 See all 3 solutions below

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💡 What is Error 1010?

Windows System Error Code 1010, known as ERROR_BADKEY, is a Configuration error that occurs during system configuration and registry. The error indicates that: The configuration registry key is invalid. When this error is encountered, the Windows operating system was unable to complete the requested operation within the configuration management subsystem. The error code 1010 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_BADKEY maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within system configuration and registry is essential for effective troubleshooting.

⚠️ Common Causes

  • Malware or aggressive cleaners modified critical registry keys
  • A failed software installation or update corrupted registry hives
  • Power loss during Windows shutdown caused registry file corruption
  • Manual registry editing without proper backup went wrong

Step-by-Step Solutions

1 Restore Registry from Automatic Backup
  1. Boot into Recovery Mode: Hold Shift while clicking Restart
  2. Go to Troubleshoot → Advanced Options → Command Prompt
  3. Run: copy C:\Windows\System32\config\RegBack\* C:\Windows\System32\config\
  4. Type 'Y' to overwrite each file when prompted
  5. NOTE: On Windows 10 1803+, RegBack may be empty; use System Restore instead
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Show Advanced Solutions (2 more)
2 Use System Restore
  1. Press Win+R, type rstrui.exe, press Enter
  2. Select a restore point from before the registry error started
  3. Click Next → Finish to begin the restore
  4. Your personal files will NOT be affected; only system settings are restored
  5. If you can't access Windows normally, boot from a USB installer and run System Restore from there
3 Repair Registry with DISM
  1. Open Command Prompt as Administrator
  2. Run: DISM /Online /Cleanup-Image /ScanHealth
  3. If corruption is found, run: DISM /Online /Cleanup-Image /RestoreHealth
  4. Then run: sfc /scannow for a thorough system file check
  5. Restart and check if the registry error is resolved

🎬 Video Tutorials

▶️ Watch Video Tutorials
How To Fix Corrupted Registry Windows 10 11
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💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*1010*" -or $_.Message -like "*ERROR_BADKEY*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

  • ALWAYS export a registry key before modifying it (right-click → Export)
  • Avoid 'registry cleaner' software — they often cause more problems than they solve
  • Use System Restore points before installing new software or drivers
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Last updated: 2026-03-13
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-13.
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