Here, in this guide, we will discuss the available fixes to resolve the Windows 10 first boot error right after examining the reasons for the same.

What causes the installation failed in the first boot phase error?

There could be several reasons for the error to occur; we have mentioned some of the popular ones here: 

Hardware issues – You might get this error if your RAM or hard drive is damaged or faulty.  Wrong system configuration – If your computer has incorrect BIOS settings or bad drivers installed, you can get this error while updating your PC. The installation process was interrupted – If there is a power failure or system crash during installation of the update, you might see this error. Installation media is corrupt – The error could have appeared because of the corrupted installation drive or disc used to upgrade your Windows computer. Computer infected with malware or virus – The malware or virus infection on your computer might corrupt the system files or configuration, hence the error.

How to fix the installation failed in the first boot phase error?

Before moving ahead with the troubleshooting steps, make sure you go through these preliminary checks: 

First, remove all the external devices except the necessary peripherals. Run Disk Cleanup. Make sure you have at least 20 GB of space on your hard drive. Run your computer in a clean boot environment and try the installation. Disable Antivirus.

If none of these worked for you, let us check out the detailed troubleshooting methods to fix the issue:

1. Rename the Software distribution folder

2. Run the Windows Update troubleshooter

3. Make changes in Registry Editor

4. Disable Secure Boot

5. Scan and fix corrupted files

6. Perform old devices and drivers cleanup

So, you can use these methods to fix the installation that failed in the first boot phase with an error during the Sysprep operation. Try them and let us know what worked for you in the comments below.

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