Microsoft Download Center Archive

Microsoft Error Lookup Tool

  • Published:
  • Version: 6.4.5
  • Category: Tool
  • Language: English

The Error Lookup Tool, also known as "ERR", is a command-line tool to decode many Microsoft error codes. It does not require elevation and is very easy to use.

  • The Error Lookup Tool looks up constants in all known Windows products error headers through a large set of tables built into the tool at compile time. Run the app with no arguments for command line help and a list of header files currently indexed.

Files

Status: Live

This download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center.

FileSize
Err_6.4.5/Err_6.4.5.exe
SHA1: d8b91919c683358a2b30e5335d016df50e5b7ae0
653 KB

File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.

System Requirements

Operating Systems: Windows 10, Windows 8.1, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

  • The Error Lookup tool runs on any supported Windows operating system. There is one version availble for download, which runs on 32-bit and 64-bit Windows:- Err_6.4.5.exe

Installation Instructions

  • 1. Download the compressed package for the appropriate operating system2. Extract the contents to any folder of your choosing.NOTE: If you extract the application to a folder in either the user or system path, you can subsequently run the tool without having to change directory.

What is this?

In August 2020, Microsoft deleted thousands of downloads for prior versions of Windows, Office, Visual Studio, SQL Server, and countless other products. Legacy Update has catalogued the Microsoft Download Center as it stood prior to August 2020.

Check our Microsoft Download Center Archive homepage to discover more downloads.