Finally, before restarting your computer to install the update, disconnect from the network. Disable the Hard Drive Encryption (BitLocker, VeraCrypt, etc.).Ħ. If you 're using a third-party antivirus program, then temporarily disable or -better- uninstall it.ĥ. Disconnect all external USB drives & SD cards and any other USB device that don't needed.Ĥ. Install the latest drivers for all the devices on your system, especially for the Ethernet & the Wireless adapter (if any). To free up disk space use Disk Cleanup.Ģ. Windows 10 requires at least 32 GB of free space to upgrade. So, before you continue to the methods below, apply the following actions:ġ.

The error code 0xC1900101 – 30018 in Windows 10 update, indicates a problem with an incompatible device, driver or program on the system. How to FIX: Error 0xC1900101-0x30018 in Windows 10 Update/Upgrade. This tutorial contains instructions to fix the Windows 10 Upgrade Error 0xC1900101 – 0x30018: 'The installation failed in the FIRST_BOOT phase with an error during SYSPREP_SPECIALIZE operation'. The installation failed in the FIRST BOOT phase with an error during SYSPREP_SPECIALIZE operation', and then reverts back to the previous Windows 10 version/build. Problem in details: The Windows 10 upgrade fails with error: 'We couldn't install Windows 10, 0xC1900101-0x30018.

The Windows 10 Update error 0xC1900101-0x30018, usually occurs when you upgrade Windows 10 to its latest version and, according to Microsoft, is caused by a connected device or a device driver. If you are unable to update Windows 10 due to error 0xC1900101-0x30018, continue reading below to fix the problem.

0xc1900101