How to fix “Data of this type is not supported. [ERROR_UNSUPPORTED_TYPE (0x65E)]” – Error Code 1630


Error Code 1630

Error code Error Code 1630 is a common Windows issue that typically arises from “Data of this type is not supported. [ERROR_UNSUPPORTED_TYPE (0x65E)]”.


In this article, we’ll focus on resolving the issue described as: “Data of this type is not supported. [ERROR_UNSUPPORTED_TYPE (0x65E)]”. This error, identified by the error code Error Code 1630, can impede your system’s performance, and here’s how you can fix it.

Identifying the Problem

Error Code 1630 typically occurs when an application attempts to access or manipulate data that is not compatible with its intended usage. Common scenarios include:

  • Attempting to open a file format that the application does not recognize
  • Mismatched data types in programming or scripting
  • Corrupted or damaged data

Common Fixes

1. Check File Format Compatibility

Ensure that the file you are trying to open is compatible with the application you are using. Check the file extension and consult the application’s documentation for supported formats.

2. Convert Data to a Compatible Format

If the file format is not compatible, consider converting it to a format that is supported by the application. Use a reliable file converter tool for this purpose.

3. Update Applications

Make sure your applications are up-to-date. Developers often release updates to fix bugs and improve compatibility.

4. Run System File Checker

Run the System File Checker (SFC) to scan and repair any corrupted system files that may be causing the error.

Advanced Troubleshooting

1. Registry Editing

Caution: Incorrect registry modifications can cause serious system issues. Proceed with caution.

  • Navigate to the registry editor (regedit)
  • Locate the key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
  • Add a new DWORD (32-bit) value named “NtfsDisable8dot3NameCreation” and set its value to 1
  • Restart your computer

2. Uninstall and Reinstall Applications

If the error persists with a specific application, try uninstalling and reinstalling it. This can resolve issues caused by corrupted installation files.

3. Check for Malware

Malware can sometimes interfere with data access and cause Error Code 1630. Perform a malware scan using a reputable antivirus software.


By implementing the solutions outlined in this article, you can effectively resolve the Error Code 1630 in Windows. To prevent future occurrences:

  • Keep your system and applications up-to-date
  • Be mindful of file formats when opening or converting them
  • Regularly scan your system for malware