How do I fix: 🔍 Why This Happens?

The primary reason for Error 0x80070091 is due to incomplete uninstallation of WSL. When using lxrun /uninstall, it may not always remove all the necessary files and settings required for WSL to function properly. This can cause conflicts during reinstallation.Another possible cause is a corrupted r

Software⏱️ 3 min read📅 2026-06-11

How to Fix 0x80070091 Error – Error 0x80070091 on WSL (windows subsystem for linux) install on Win10

Q: How do I fix: 🚀 How to Resolve This Issue Reinstalling WSL using lxrun /install with additional options?

Step 1: Open the Command Prompt as an administrator and navigate to the directory where lxrun is installed (usually C:\Program Files (x86)\LXRun).Step 2: Run the command lxrun /install --force to reinstall WSL, which will overwrite any existing files and settings.Step 3: Wait for the installation pr

Q: How do I fix: Manually uninstalling WSL using Disk Cleanup and Rebuilding?

Step 1: Open Disk Cleanup and select the drive where lxrun is installed (usually C:).Step 2: Under the 'Files to delete' section, select the files associated with WSL (lxrun.exe, lxrun.dll, etc.) and click 'OK'.

Error 0x80070091 occurs during WSL installation on Win10, causing issues with lxrun commands.

Quick Answer: Try reinstalling WSL using the Microsoft Store app instead of lxrun.

📋 Table of Contents

🔍 Why This Happens
🚀 How to Resolve This Issue
✨ Wrapping Up

Error 0x80070091 is an error code that occurs when trying to install or uninstall the Windows Subsystem for Linux (WSL) on Windows 10. This error affects users who have previously installed WSL and are now experiencing issues with its uninstallation or reinstallation.

This error can be frustrating because it prevents users from using WSL, which is a valuable tool for developers and power users. In this guide, we will walk you through the steps to troubleshoot and fix Error 0x80070091 on WSL installation.

🔍 Why This Happens

The primary reason for Error 0x80070091 is due to incomplete uninstallation of WSL. When using lxrun /uninstall, it may not always remove all the necessary files and settings required for WSL to function properly. This can cause conflicts during reinstallation.
Another possible cause is a corrupted registry entry or a conflicting system file that prevents WSL from installing correctly.

🚀 How to Resolve This Issue

Reinstalling WSL using lxrun /install with additional options

Step 1: Open the Command Prompt as an administrator and navigate to the directory where lxrun is installed (usually C:\Program Files (x86)\LXRun).
Step 2: Run the command lxrun /install --force to reinstall WSL, which will overwrite any existing files and settings.
Step 3: Wait for the installation process to complete. This may take a few minutes.

Manually uninstalling WSL using Disk Cleanup and Rebuilding

Step 1: Open Disk Cleanup and select the drive where lxrun is installed (usually C:).
Step 2: Under the 'Files to delete' section, select the files associated with WSL (lxrun.exe, lxrun.dll, etc.) and click 'OK'.

✨ Wrapping Up

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