- Fixed,
- Expandable
- Differencing
Users, when upgrading to Windows 10 from Windows 7 or Windows 8/8.1, or when upgrading to a new version, build, service pack, or major update of Windows 10, can encounter error code 0xC1900101, 0x30018. Windows 10 installation fails and stops or hangs. During the installation process, it will reach a certain maximum limit (normally at 6% or 32%) then reverts back to the previous version of the operating system and displays the following message:
We couldn’t install Windows 10. We’ve set your PC back to the way it was right before you started installing Windows 10.
0xC1900101 – 0x30018
The installation failed in the FIRST_BOOT phase with the error during the SYSPREP operation.
Error CausesIn attempting to fix Error Code 0xC1900101-0x30018, it is vital to know what causes this issue. The most probable causes of this error are:
In some cases, you might be opened to other error messages when attempting to update to Windows 10, including error code 8007002c.
In fixing issues related to error codes, it is best to employ manual repair methods. Using these methods helps users pinpoint the root causes of the issue and apply solutions permanently to fix the issues.
While most manual repair methods can be done by every Windows user, even those without technical abilities, there are certain cases where help from a Windows professional is needed. If you’re not up to facing risks in implementing manual methods yourself, consider getting help from a professional Windows technician or you can use a powerful automated tool.
In fixing Error Code 0xC1900101-0x30018, you can repeat the same steps used for 0xc000021a (Method One) or you can try doing the following:
NOTE: If this fails, if possible, you can try using the .ISO file in upgrading.
If you’re using Windows Update in installing Windows 10, you can implement the following:
NOTE: Don’t forget to hit Enter after every command.
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
NOTE: Don’t forget to hit Enter after every command.
ren
C:WindowsSoftwareDistribution SoftwareDistribution.old
ren
C:WindowsSystem32catroot2 Catroot2.old
NOTE: Don’t forget to hit Enter after every command.
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
Can’t seem to put up with the long and technical manual repair process? You can still fix this error by downloading and installing a powerful automated tool that will surely get the job done in a jiffy!

100sOfRecepies is a Browser Extension developed by MindSpark Inc. that provides users with hundreds of recopies for breakfast, lunch, dinner, and dessert. This extension may appear very handy at the start, however, it may monitor your browser activity, and send it back to the developer to better serve ads. This extension injects itself into the System Registry allowing it to run each time your computer is restarted.
While browsing the internet with this extension installed you may see additional ads, sponsored links, and pop-up ads displayed in your browser. Many anti-virus scanners have detected this extension as a Browser Hijacker and are therefore not recommended to keep on your computer.
FindYourMaps is a Google Chrome Browser Extension developed by Mindspark. This extension hijacks your home page and new tab page changing them to MyWebSearch.com in order to display ads more efficiently.
While using this extension you will see additional pop-up ads, sponsored content, and unwanted ads (that are sometimes not ever relative to your search query) displayed throughout your browsing sessions, cluttering up the pages and sometimes even going over page parts, making some pages unreadable.
Several anti-virus applications have marked this Extension as a Browser Hijacker due to its data mining behaviors and ad injections and were marked for removal by most of them.
In the Device Manager expand Network adapters, choose adapter, right-click on it and choose Uninstall.
Install latest driver or reboot so Windows will install the driver automatically
In the Device Manager expand Network adapters, choose adapter, right-click on it and choose Update Driver.


In command prompt type next line and press ENTERDEL /F /S /Q /A “C:\Windows\System32\drivers\mfewfpk.sys
Reboot the system
Error CausesComputerHKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders
%USERPROFILE%Downloads
Music – {1CF1260C-4DD0-4ebb-811F-33C572699FDE} Pictures – {3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA} Videos – {A0953C92-50DC-43bf-BE83-3742FED03C9C} Documents – {A8CDFF1C-4878-43be-B5FD-F8091C1C60D0} Desktop – {B4BFCC3A-DB2C-424C-B029-7FE99A87C641}
Error CausesOnce this error code is encountered, it's a clear indication that your Operating System has malfunctioned. This could be a consequence of an incorrect or failed installation of software. The software might leave invalid entries in the Windows registry. Improper shut down of your system and a malware attack are also causes of error code 0x8007007e. Additionally, someone with little or no technical knowledge might have deleted a system file by accident. Missing system files can also equate to other error codes such as registry error code 19.
You may not always be able to prevent issues from affecting your computer, but proper measures can be taken to limit your risk of experiencing problems like error code 0x8007007e. See the following suggestions below:
System File Checker is a Windows tool that allows users to check their system for corrupt or bad system files. The utility scans for corrupt files and repairs them as well as files that may have gone missing.
Depending on the type of Windows operating system on your computer, you may need to follow varying instructions. However, note that Windows operating systems including Windows 10 and Windows 8 or 8.1 and Windows Vista all provide access to System File Checker via Command Prompt.
Once you run System File Checker, the tool should be able to repair and replace corrupted files. However, in cases where the repair process does not take place, you can attempt a manual repair by replacing the corrupt file the tool identifies with a good file. The process may require technical knowledge of Command Prompt so consider help from a Windows repair technician or consider contacting Windows for instructions based on your computer’s operating system.
The System Recovery Options menu in Windows contains many tools which can enable users to resolve serious errors. In the case of Error Code 0x8007007e, one of the best tools in this menu is System Restore.
When an error occurs which inhibits users from accessing key functions on their system, System Restore enables the user to restores the computer to an earlier period without causing harm to files, photos, or documents.
However, once you run this tool, you will only be able to access files available within the period to which your computer is restored. For this reason, carefully consider which period is best suited to your purposes. Also, ensure you restore the system to a time when error code 0x8007007e was not present on your machine.
If System Restore does not resolve the error, you may undo the restoration changes. Ensure you have sufficient free space on your machine hard disk before you proceed (300 MB at least for hard drives above 500MB or at least 50 MB for smaller sized disks).
When it comes to resolving error codes, it can often be a frustrating and tricky venture, especially when you are attempting to fix the problem manually. The Internet is awash with bits and pieces of instruction, some misleading at best with uncertain success rates.
But what if there was a one-stop-shop or better yet a tool that offered solutions for error codes including 0x8007007e? Download a powerful automated tool that offers easy and effective, user-friendly solutions for users with varying error code problems.
Taking information from the internet or from other sources usually involves selecting the text, copying it into the clipboard, and then pasting it into your file. In today's modern applications pasting text will most of the time take its formating with it.

By formatting what I am talking about are parameters like font size, line breaks, hyperlinks, font styles, etc. and sometimes you do not want any of these in your file, you would like and prefer to have just plain text so you can format it as you wish.
In order to paste just plain text instead of using the CTRL + V keyboard shortcut, press CTRL + SHIFT + V instead. This shortcut will paste the only text into your file.
Leave it to Microsoft to make its shortcut not work in their application. In Microsoft Word, you can only use the standard CTRL + V shortcut, if you press CTRL + SHIFT + V nothing will happen. So in order to paste the only text into a word document, choose to paste special > text only
I have tried CTRL + SHIFT + V in various applications like photoshop, illustrator, InDesign, visual studio code, slack, discord, WordPress installations, etc and only one that has not worked for me was Word and office in general so you are safe to use this trick and have desired results.