Windows 10 build 10061 has been released with many worthwhile improvements. If you update via the Windows Update feature, you may experience the error 0xC1900101-0x30018 even you try it many times. Then the Windows rolls back to the previous build version.
|Windows 10 build 10061 with many improvements
This error mostly happen in build 10049 or in build 10041, there is an error message: INACCESABLE BOOT DEVICE. This message may happen when you install Windows 10 on one partition while another OS in another partition.
We recommend you to change the way Windows update by using the build 10061 ISO file
If you still stuck with this, let us know via the comment section below. Our experts are trying their best to find the solution for this issue. If you find something new, please let us know.