Learn how to fix, Windows 10 upgrade error 0xC1900101 - 0x30018, in this article.

If you received upgrade error 0xC1900101 – 0x30018 and you’re unable to upgrade to Windows 10, then this article may interest you. Upgrade error code 0xC1900101 – 0x30018 is one of the common error code you may see while switching to Windows 10 from your previous OS. The error code is shown as follows:

0xC1900101 – 0x30018
The installation failed in the FIRST_BOOT phase with an error during SYSPREP operation

FIX Windows 10 Upgrade Error 0xC1900101 - 0x30018

As this is the generic error code and it doesn’t tell us what is the actual root cause, you need to start troubleshooting with general procedures first. In case if you can locate upgrade log, you might be able to spot the exact thing which blocked the upgrade.

FIX: Windows 10 Upgrade Error 0xC1900101 – 0x30018

According to Microsoft, upgrade error 0xC1900101 – 0x30018 occurs because one or more device drivers stopped responding to setup.exe during the upgrade process.

This means that, the probable cause here are device drivers on your system. A system may have multiple device drivers with each having their own importance. Some drivers might be incompatible with newer version and may stop responding to setup.exe. To bypass this problem, we recommend you to first update all your drivers manually. Also ensure that you’ve all latest Windows Update installed.

Second relevant factor which might cause this problem are presence of third-party security software. You should uninstall those third-party software temporarily and retry with upgrade.

Then there are some additional factors to be considered, if above suggestions didn’t help. If you’re using wireless connection, try switching to wired connection instead. File corruption can also be sometimes the culprit and hence you must try System File Checker tool for identify and fix it. Plus you’re always recommended to plug out external devices, while you perform Windows 10 upgrade.

In case, if you still continue to face the issue, look out for upgrade logs at $Windows.~BT\sources\Rollback and $Windows.~BT\sources\Panther and create a new thread on Microsoft Community including them. Log analysts present there may help you to spot exact cause and will suggest the remedy accordingly.

Hope something helps!

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