0x8007000FSystemMedium

Error 0x8007000F — Invalid Drive (ERROR_INVALID_DRIVE) | Windows System Error Fix

Windows 11Windows 10Windows 8.1

What Does 0x8007000F Mean?

The system cannot find the drive specified.

Real-World Causes

  1. 1Referenced drive letter no longer exists or is disconnected
  2. 2USB drive was removed without safe ejection
  3. 3Mapped network drive is offline
  4. 4Subst or mapped drive was removed but references remain

Symptoms

  • Cannot access a specific drive letter
  • Applications fail referencing a non-existent drive
  • Installation fails looking for a removed drive
  • Scripts or batch files fail with invalid drive error

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Reconnect the drive or USB device
  2. 2Reconnect mapped network drives via File Explorer
  3. 3Update application settings to point to a valid drive
  4. 4Check Disk Management for drive letter assignments

Advanced Fix

For experienced users and IT professionals

  1. 1Remove stale drive mappings: 'net use X: /delete'
  2. 2Check registry for phantom drive references in MountedDevices

Frequently Asked Questions

Why does my mapped drive keep disconnecting?
Windows disconnects idle mapped drives to conserve resources. To prevent this, disable 'Auto Disconnect' by running 'net config server /autodisconnect:-1' or use a login script to remap drives at each logon.

Related Error Codes

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.