Fix: Upgrade to Windows 10 Failed

Summary: Did your system fail to upgrade to Windows 10? This guide will walk you through the common reasons behind the Windows 10 installation/upgrade error. It also mentions some simple and effective ways to fix the Windows 10 failed error upgrade.

Microsoft provides a personalized and intelligence-based user experience by adding advanced features and bug fixes with every Windows upgrade. Given that, users encouragingly look forward to upgrading to Windows 10, the latest and probably the most robust OS from Microsoft. However recently, we’ve come across some queries on forums, like Reddit, Microsoft, etc., where users reported encountering Windows upgrade and installation errors. Refer to the following ones:

“I have been trying to upgrade my Operating System from Windows 7/Windows 8.1 (2 separate PCs) for over a week now. Unfortunately, the upgrade has failed even after trying multiple times on both systems.”

-Source

“I am trying to upgrade to Windows 10 from Windows 7 using the Microsoft tool. However, the Windows 10 installation has failed after going through the whole process of downloading, updating, etc. My PC is a Dell Optiplex 3020 that meets all the specifications.”

-Source

What Causes ‘Upgrade to Windows 10 Failed’ Error?

There are multiple reasons why you might receive the Windows 10 upgrade failed error. However, here are some primary causes:

1. Faulty Hardware: Corrupted or faulty peripherals are the most common reasons for Windows 10 upgrade errors. For example, external hardware may be installed on your system, interrupting the process.

2. Multiple Updates Queued: When several updates are pending to install, you may encounter the upgrade to Windows 10 error.

3. Lack of Storage Space: If your system lacks enough storage space to complete the Windows 10 installation process, the process will get interrupted, and you may encounter the error.

4. Problematic Third-Party Antivirus Program: A corrupted or buggy third-party antivirus program installed on your system could be the cause of the upgrade to Windows 10 failed error.

5. Corrupt Third-Party Software/Application: Any third-party buggy software, program, or application installed on your system may cause multiple system errors, including Windows 10 updating errors.

6. Corrupt Update Files: Bad/corrupt update files may also cause this problem. You can boot into Safe Mode and clear such files.

7. Driver Conflicts: Sometimes, conflicting peripherals, like printers and USB hubs, may interrupt the Windows 10 installation process.

8. Error in Boot Configuration Data (BCD): BCD is used to load and run OS. If BCD files are damaged, or there is an error in BCD, you may face upgrading to Windows 10 failed error your system with a blue screen.

9. Corrupt Registry: Any corrupted or invalid registry entries on your system may cause errors while updating or upgrading to Windows 10.

How to Fix ‘Upgrade to Windows 10 Failed’ Error?

Here, we’ve provided some easy-to-follow workarounds to help you fix the Windows 10 installation failed error.

Method 1: Try Reinstalling Windows Updates

There could be multiple updates queued for installation, due to which one or some may probably fail during the process. Hence, you must ensure that all important updates are installed before you proceed with upgrading to Windows 10. To do so, you can reboot the PC and restart installing Windows updates. For this, go to Settings > Update & Security > Windows Update > Check for Updates.

Then, check if the error is fixed.

Method 2: Remove External Peripherals and Restart PC

There could be faulty external devices connected to your system, such as printers, scanners, headphones, USB drives, hard drives, etc., which creates trouble while upgrading to Windows 10. In such a case, you can unplug the external peripheral device, reboot your system, and again try to upgrade the Windows. You can also disconnect all non-essential external hardware connected to your system and restart it.

Method 3: Check Available Disk Space

Sometimes, lack of disk space on your system causes the Windows 10 installation failed error. The PC usually reserves some space for updates, but there’s a probability that it runs out of room. You can free up space by deleting unnecessary data or moving some data to an external drive.

To check if there is enough space available on your system hard disk, follow the given steps:

If there’s less space on the disk, use Disk Cleanup by following the given instructions:

If you’ve mistakenly deleted some of your files, you can recover them quickly using reliable data recovery software, such as Stellar Data Recovery for Windows. You can download this DIY software to restore data lost due to deletion, formatting, corruption, etc.

Method 4: Run Windows Update Troubleshooter

Check if all-important Windows Updates are installed on your system. If all the updates are installed but still facing problems while upgrading to Windows 10, try to run Windows Update troubleshooter. Here are the steps:

Method 5: Uninstall Third-Party Antivirus Software

A problematic third-party antivirus may also cause the ‘upgrade to Windows 10 failed’ error. You can fix the issue by turning off or uninstalling the antivirus software.

Steps to uninstall third-party antivirus software:

If you’re using Windows Defender Firewall, try disabling that as well. However, doing so can put your system at risk of malware attack. Hence, it’s suggested to prevent browsing the internet or downloading any software/program after disabling the firewall.

Steps to disable Anti-Malware Firewall:

Method 6: Uninstall Outdated/Non-Essential Software

Outdated or non-essential software on your PC may cause the ‘upgrade to Windows 10 failed’ error. First, try uninstalling such programs/software from your system. To do so, follow the given instructions:

b. Select the required program, right-click on it, and click Uninstall.

Method 7: Run Bootrec Tool

There is a possibility of corruption in MBR, a boot sector, or boot configuration data (BCD), due to which you’re facing trouble while upgrading to Windows 10. Therefore, you may run the BOOTREC tool, primarily for updating the MBR (Master Boot Records) code, partition boot sector code, and fixing the BCD.

To do so, follow the given steps:

bootrec /fixmbr

bootrec /fixboot

bootrec /rebuildbcd

It will fix the problems with BCD. Now, try to upgrade to Windows 10 version.

The DIY methods shared in this blog will help you fix the ‘upgrade to Windows 10 failed’ error. However, if you fail to resolve the error, you’d need to perform a clean installation of Windows 10. So, either have a backup of your system data (if possible) or use a Windows data recovery tool to recover data first and then reinstall Windows on your PC/laptop.

FAQ

1. Why did Windows 10 installation fail when using the Media Creation Tool?

It may happen due to some damaged installation components. You can freshly download the ISO again, recreate the bootable media with Windows Media Creation Tool, and then perform a clean install or reinstall Windows 10.

2. Why does Windows Update 20H2 keep failing?

You may find issues while downloading Windows Update 20H2. The primary reason behind it could be corrupt Windows Update components. You’d need to reset the Windows Update Component.

3. Can I upgrade to Windows 11 from Windows 10 for free?

Windows 10 users can upgrade to Windows 11 for free. The only condition is that the system should meet some specific requirements. If your system meets all the requirements for this new OS, you will get the option to download and install Windows 11 on your system.

4. How can I recover files after upgrading to Windows 11?

Try the following methods to recover lost files after upgrading to Windows 11:

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