How to Use and Run Windows Update Troubleshooter

April 09, 2019 Posted by to Tutorials
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Windows Update Troubleshooter is a tool specifically designed by Microsoft to address certain types of errors encountered when downloading and installing Windows Updates. Although several types of errors can be fixed with this utility, it is generally found to be useful with error types that begin with "0x80", such as 0x80242006, 0x80D02002 and so on. Depending on the version of Windows you are using, you will need to download the appropriate version of the Windows Update Troubleshooter. All you need is an Internet connection.

How Does Windows Update Troubleshooter Work?

The troubleshooter works by scanning your system and identifying errors that it can fix. Although many of these errors can also be fixed manually, Windows Update Troubleshooter does this automatically and notifies you when a fix has been applied. Once you run the tool, it’s better to run it a second time for additional errors, and then restart your system to update the fixes. As a diagnostics tool, it is capable enough to address basic Windows Update Database errors, registry errors, signature issues, Windows Installer errors and several more. There are separate versions for Windows 7, Windows 8 and Windows 10, so make sure that you download the appropriate one for the OS version that your computer is currently running.

 

Windows Update Troubleshooter

 

What Does Windows Update Troubleshooter Do and How to Use It?

The initial scan after launching the app will do a full diagnostics of the Windows Updates environment and all related components. This includes the following:

 

In addition to these functions, Windows Update Troubleshooter also collects information about your system such as OS and CPU architecture, OS version, WU Agent version, workgroups, last installed update, Windows update log and so on. All of this information is written to a file called Output.txt and puts it on your desktop. This file is intended for post-mortem analysis purposes and is useful when manually diagnosing additional issues.

 

Windows 10 Update Issue

 

To run Windows Update Troubleshooter, download the appropriate version for your Windows version and double-click on the wu.diagcab file within the app folder. Alternatively, you can select Run in the dialog prior to the download starting. The program will automatically launch into diagnostics mode, fixing errors as it identifies them. A restart is recommended once the program is run and fixes are in place.

 

Windows Update Troubleshooter Common Error Fixes

 

One of the most common reasons that an update won’t install properly is the database files. If there are any corrupt files or old files that are causing a conflict, the installation won’t happen normally. Here are a few examples:

 

Error Code 0x80246017: This particular error was widely seen by Windows users who tried to download Windows 10 build 9926, which was released in January 2015. The problem is that some of the old installation files still persisted in the Windows Registry even after several upgrades to the latest Windows versions. That means users had to manually troubleshoot every installation. The manual fix for this would be to manually remove older installation files. However, this is dangerous because any inaccurate modification of registry files could cause the entire system to crash. With the Windows Update Troubleshooter, the problem is automatically detected and the old files are removed, allowing you to proceed with current updates without a problem.

 

Error Code 0x80242006: This is a much rarer error but it usually happens with major Windows builds like Version 1709 (build 16299) or Version 1803 (build 17134.) The error is typically seen when a major build is installed but the system is rolled back to a previous build. For example, you may come across the message "Feature update to Windows 10, version 1803 – Error 0x80242006" after a downgrade to v1709. It can also occur during the installation of the new build itself, or in the Windows Update section after a random update has been installed. Again, Windows Update Troubleshooter automatically detects the anomaly and fixes it.

 

Error Code 0x80070020: This error is usually seen when first upgrading to Windows 10 from an older version. The error message will either be "The process cannot access the file because it is being used by another process" or "An error (-5006 : 0x80070020) has occurred while running the setup." One of the known occurrences of this error type is when anti-virus is actively scanning during the update process, but it could be any other real-time update. Before trying the Windows Update Troubleshooter, you can also try restarting the machine, since the problem is due to interference with the update process. You can also try disabling the anti-virus program until the update is installed. If neither of those fixes work, use the tool to troubleshoot the problem.

 

Windows Update Error Code 0x800700200

 

At the End

A lot of manual work can be handled by the Windows Update Troubleshooter application, so if you’re unsure of the repair methods or consider it too risky, it’s a great fall-back method.

 

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