Ext-ms-win-oobe-query-l1-1-0.dll - Missing

Troubleshooting "ext-ms-win-oobe-query-l1-1-0.dll is missing" The error message "ext-ms-win-oobe-query-l1-1-0.dll is missing" "red herring"

Download both the and x64 architectures for the latest Visual Studio runtime packages. Launch the downloaded executable files.

Based on search results, the ext-ms-win-oobe-query-l1-1-0.dll missing error is often a that appears in dependency checkers rather than a critical system failure. It is frequently associated with software development tools (like Python, PyInstaller, or C++ applications) rather than a broken Windows installation. Summary Review: Misleading Dependency Error ext-ms-win-oobe-query-l1-1-0.dll missing

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If the error persists, some users have found success by specifically installing the older 2012 packages as well. Solution 2: Run System File Checker (SFC) Troubleshooting "ext-ms-win-oobe-query-l1-1-0

import os os.add_dll_directory("C:\\Path\\To\\Your\\Compiler\\bin") Use code with caution.

The error

The most common cause is missing Microsoft Visual C++ redistributable packages. Go to the official Microsoft Visual C++ downloads page.