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0x80070006SystemMedium

Error 0x80070006 — Invalid Handle (ERROR_INVALID_HANDLE) | Windows System Error Fix

Windows 11Windows 10Windows 8.1

What Does 0x80070006 Mean?

The handle is invalid. An internal reference to a system resource is no longer valid.

Real-World Causes

  1. 1Application bug using a closed or never-opened handle
  2. 2Race condition in multi-threaded application
  3. 3System service crashed and its handles became invalid
  4. 4DLL injection or hooking software corrupting handles

Symptoms

  • ⚠Application crashes with invalid handle error
  • ⚠Print operations fail unexpectedly
  • ⚠Windows dialogs crash when opening or saving files
  • ⚠System services report handle errors in Event Viewer

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart the affected application
  2. 2Restart the Print Spooler service if printing is affected
  3. 3Reboot the computer to reset all handles
  4. 4Update the application to the latest version

Advanced Fix

For experienced users and IT professionals

  1. 1Enable Application Verifier handle checking on the affected process
  2. 2Use Process Explorer to monitor handle operations

Frequently Asked Questions

What is a handle?
A handle is a reference number Windows assigns when an application opens a resource like a file, registry key, or device. If the handle becomes invalid (e.g., the resource was closed), operations using it fail with this error.

Related Error Codes

0x80070057Invalid Parameter (ERROR_INVALID_PARAMETER)0x80004005Unspecified Error (E_FAIL)

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.