Comprehensive Guide to ERROR_NOT_SUBSTED 137 (0x89) and Its Effective Solutions

Key Notes

  • Ensure to verify existing drive substitutions before removal.
  • Use the correct command syntax to remove a drive substitution.
  • Restart the system if issues persist after verifying commands.

How to Effectively Address ERROR_NOT_SUBSTED Code 137 (0x89)

The ERROR_NOT_SUBSTED code 137 (0x89) appears when a program attempts to delete a non-existing drive substitution. This guide will help you understand the error and provide actionable solutions to rectify it.

Steps to Resolve the ERROR_NOT_SUBSTED 137 (0x89)

Step 1: Check Current Drive Substitutions

Initiate the Command Prompt with administrative privileges:

  1. Press the Windows key, type cmd in the search box, and select “Run as administrator” to open an elevated Command Prompt.
  2. Type the command SUBST and hit Enter to view existing drive substitutions.

Pro Tip: If no substitution appears for your target drive, ensure it has been set up correctly.

Step 2: Properly Remove the Drive Substitution

To delete a drive substitution, use the following steps:

  1. Open Command Prompt as described in Step 1.
  2. Type the following command, substituting [Drive:] with the actual letter to be removed, and press Enter : SUBST [Drive:] /D

Pro Tip: Double-check the drive letter before executing the remove command to avoid errors.

Step 3: Confirm the Drive Path

To prevent ERROR_NOT_SUBSTED from occurring, verify the path and existing substitutions:

Utilize the SUBST command to double-check current substitutions to avoid confusion. If the drive letter intended for removal isn’t listed, it indicates a problem such as the drive never being substituted or having been deleted.

If the error continues during a script execution, ensure that it references existing drive substitutions accurately. A system restart may also help if issues persist.

Helpful Tips

  • Always maintain an updated list of your drive substitutions to avoid mistakes.
  • If using scripts, test them in a controlled environment first.
  • Familiarize yourself with the SUBST command for enhanced command line proficiency.

Summary

Resolving ERROR_NOT_SUBSTED 137 (0x89) involves verifying existing drive substitutions, accurately removing any unnecessary drives, and ensuring the correct path is verified before command execution. Following these steps can significantly improve your troubleshooting efficiency.

Final Thoughts

Understanding how to handle the ERROR_NOT_SUBSTED error confidently can help streamline your Windows experience. By employing the steps discussed, you can effectively mitigate this issue and ensure smoother system operations.

Frequently Asked Questions

What causes the ERROR_NOT_SUBSTED code 137 (0x89)?

This error typically occurs when trying to delete a drive substitution that doesn’t exist, whether due to it never being created or having been removed previously.

Can I automate the removal of drive substitutions?

Yes, you can script the SUBST commands to manage drive substitutions automatically, but always ensure you verify your substitutions first.