What Is Microsoft Error Lookup Tool? How to Download & Use It?

Overview of Microsoft Error Lookup Tool

Does your Windows operating system crash several times? Do you get an error code but you don’t know what it means? Thanks to Microsoft Error Lookup Tool, you can exactly know what happens on your PC.

Microsoft Error Lookup Tool, also known as ERR, is a command-line tool to help you decode many Microsoft error codes. That is to say, you can run this tool to look up system error codes to help you understand what the error code really means.

Since it is a command-line tool, you need to run Command Prompt to run it. Microsoft hasn’t released the GUI version of this tool. In a simple command, you can easily know the error codes in detail. This tool displays the message text that is related to a hexadecimal status code.

Microsoft Error Lookup Tool is available in Windows 8.1, Windows 10, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019. If you are running Windows 7, you can only run a Windows error code lookup online.

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Microsoft Error Lookup Tool Download

This error lookup tool is lightweight and won’t take up too many system resources to run. To use this tool for error code lookup, you need to download and set up it.

Step 1: Open a web browser like Opera on your PC and visit Microsoft Error Lookup Tool Download Page.

Step 2: Click the Download button to get a .exe file. The latest version is 6.4.5 which was released on October 24, 2019.

Since it is a command-line tool, you need to run it by typing its full name. The default name is Err_6.4.5. It is hard to remember and type correctly in Command Prompt, so you can rename it to Err. Then, place this file in your system drive C to access this tool easily.

How to Use Microsoft Error Lookup Tool

After downloading Microsoft Error Lookup Tool, how to run this tool on your PC to look up the details of error codes? Just follow the guide here now:

Step 1: Type cmd into the search bar and right-click Command Prompt, then choose Run as administrator.

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Step 2: In the CMD window, type cd C:\ and press Enter.

Step 3: Type Err and press Enter. You can see some parameters.

To look up a specific error code, execute the command – Err (errro code). Here (error code) refers to the hexadecimal code that you want to look up, for example, Err 0x81000031.

Then. You can see all the listed multiple meanings including the exact error string. Of course, you won’t get a detailed troubleshooting guide.

Recommend: Back up PC

Windows error codes often occur unexpectedly and some may cause data loss or system crashes. To get data back or revert the PC to an eralier state in case of accidents, having a habit of backup is very important. To back up your PC properly, the third-party backup software for Windows 11/10/8/7 – MiniTool ShadowMaker is worth recommending since it offers powerful features including support for file, folder, system, disk & partition backup, data sync, disk cloning, scheduled backup, incremental and differential backup, etc.

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Final Words

After reading this post, you have a clear understanding of Microsoft Error Lookup Tool. If you need, just download this tool and run it to look up error codes. If you have some ideas to tell us, leave a comment below.