Method 1: Temporarily Disable Antivirus and Firewallġ.Right-click on the Antivirus Program icon from the system tray and select Disable.Ģ.Next, select the time frame for which the Antivirus will remain disabled. Note: Make sure to disconnect any external devices connected to PC. Make sure to create a restore point just in case something goes wrong. Fix The Installation Failed In The First Boot Phase Error So without wasting any time let’s see how to actually Fix The Installation Failed In The First Boot Phase Error with the help of below-listed troubleshooting guide. Sometimes 3rd party software can also cause the above errors, so we need to troubleshoot the issue and fix the cause in order to resolve this error. Now all the above errors are either caused due to incorrect registry configuration or due to device drivers conflict. The installation failed in the FIRST_BOOT phase with an error during BOOT operation. The installation failed in the FIRST_BOOT phase with the error during SYSPREP operation. The installation failed in the FIRST_BOOT phase with an error during MIGRATE_DATE operation. So these are the following error which you can receive:

Fix The Installation Failed In The First Boot Phase Error: If you are upgrading to Windows 10 or upgrading to a new major update from Microsoft then chances are the installation may fail and you will be left with an error message saying “We couldn’t install Windows 10.” If you look closely you will find some additional information at the bottom which would be an error code 0xC1900101 – 0x30018 or 0x80070004 – 0x3000D depending upon the type of error.

Dms error code 1618