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0x8007065ESystemMedium

Error 0x8007065E — Unsupported Type (ERROR_UNSUPPORTED_TYPE) | Windows System Error Fix

Windows 11Windows 10Windows Server 2022

What Does 0x8007065E Mean?

The data type is not supported. The requested operation cannot be performed on this data type.

Real-World Causes

  1. 1Application using an unsupported data format
  2. 2Registry value has wrong data type
  3. 3API called with incompatible parameter type
  4. 4File format not recognized by the handler

Symptoms

  • ⚠Application fails to process certain data
  • ⚠Registry operations fail with type mismatch
  • ⚠File operations fail on specific file types
  • ⚠Import/export operations fail

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Verify the data format matches what the application expects
  2. 2Check registry values for correct data types using regedit
  3. 3Convert data to a supported format
  4. 4Update the application

Advanced Fix

For experienced users and IT professionals

  1. 1Fix registry value types manually in regedit (REG_SZ vs REG_DWORD etc.)
  2. 2Use reg.exe to correct registry data types from command line

Frequently Asked Questions

What are registry data types?
Registry values can be different types: REG_SZ (string), REG_DWORD (32-bit number), REG_BINARY (binary data), REG_MULTI_SZ (multi-string), etc. If a value is the wrong type, the application reading it may fail.

Related Error Codes

0x80070057Invalid Parameter (ERROR_INVALID_PARAMETER)0x8007000DInvalid Data (ERROR_INVALID_DATA)

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.