As of late, users have been reporting about getting an error saying, SAFE_OS phase error during Replicate_OC operation when they tried to upgrade their Windows 7 or Windows 8.1 computers to Windows 10. Although the error code in this problem could vary, in this situation, it states:
0xC1900101 – 0x20017, The installation failed in the SAFE_OS phase error during Replicate_OC operation
To fix this issue, you need to follow the given options below. But before you do, you need to create a System Restore point first so that if anything goes wrong, you can always undo the changes you’ve made.
According to security experts, one of the main causes of this error is the KB3064209Windows Update. This particular update is the one responsible for updating the CPU Microcode for processors made by Intel. Thus, if you don’t use an Intel processor, you can skip this option and proceed to the next one. However, if you use Intel, make sure to follow the instructions in this option carefully. Take note that in this solution, C: partition is referred to as the OS Partition while H: partition is referred to as the USB Pen Drive.
dism /Mount-Image /ImageFile:H:sourcesboot.wim /index:1 /MountDir:C:UsersUserDesktopmount
C:UsersUserDesktopmountWindowsSystem32mcupdate_GenuineIntel.dll
dism /Unmount-Image /MountDir:C:UsersUserDesktopmount /commit
Chances are, some unnecessary files in your computer might be interrupting the installation process which explains why you’re getting SAFE_OS phase error during Replicate_OC operation instead so you need to perform a Disk Cleanup in order to fix the problem.
Every now and then, drivers get corrupted or outdated so it’s no surprise that they conflict with the operating system and cause errors like the SAFE_OS phase error during the Replicate_OC operation. To fix the problem, you need to update all your drivers. Follow the steps below to update your drivers.
Note: You also have the option to go directly to the website of your graphics card manufacturer and check if there’s a new update – if there is, download it.
Aside from outdated drivers, outdated BIOS could also be the reason why you’re getting the SAFE_OS phase error during Replicate_OC operation which is why you need to update your system’s BIOS in order to resolve the issue.
There are many times when all the components of the RAM weren’t able to be used by the computer so you need to check the RAM modules.

Once it opens, click on Device Manager to open it,
If you have a driver device error inside Windows, you should see it immediately when entering the Device Manager, it will have a yellow exclamation mark beside it. Right-click on it and choose update driver.
Error CausesError code 0x800704c7 occurs when Windows users attempt to update their system. It affects various Windows users including those using Windows 7, Windows 8, and 8.1 and Windows 10. It usually occurs due to poor maintenance of the system and includes common symptoms such as the following:
Error CausesError code 0x800704c7 in Windows 10 can occur due to several reasons. For instance, it may be due to corrupted or missing system files. It may also result from malicious programs affecting your system or occur when a program or several programs are running in the background of one’s system while the user attempts to run the update.
To correct this issue, Windows users will need to select one or a few methods, depending on the issues affecting their PC.
Some of the best solutions for error code 0x800704c7 available to Windows users including using tools to scan for missing systems files or correct other issues inherent within your system.
These methods may include the use of Command Prompt and the performance of technical repair procedures. If you are uncertain of your skills, avoid compounding the issue or causing further damage to your PC by contacting a skilled Windows repair technician. This IT professional will be best equipped to use Windows tools and other methods to resolve error code 0x800704c7.
Using System File Checker Tool (SFC), Windows users can check their system for missing o corrupt system files. These utility tools within your Windows device will be able to replace missing files and repair corrupted ones, resulting in a more efficient system. Run this tool by following the steps below:
After running these procedures, check if the error code has been resolved. Go to Settings > Update & security > Windows Update. Update your Windows operating system. If error code 0x800704c7 reoccurs, you will need to try the next method below.
System Restore is one of the best manual repair solutions Windows users can apply when they come across error codes like error code 0x800704c7. That’s because this method requires no technical or advanced knowledge and therefore can be performed by anyone. Simply follow the steps below to restore your system to a period of time in the past where the error was not present on your system. If done correctly, this could enable you to resolve the issue with little frustration on your part.
Note that once System Restore is enabled it will remove drivers, apps, and even updates installed after the restore point. For this reason, be careful to choose the most appropriate restore point. Also once you’ve completed this task, check to see if you are able to update your system. If the update stops before the process is complete and a message box occurs with the error code 0x800704c7, proceed to the next manual repair option below.
Viruses or other forms of malware can adversely affect your system, causing error codes and other issues to take place. To resolve error code 0x800704c7 in Windows 10, check for and remove malware using a reputable anti-malware program.
If no anti-virus software is present on your system or if you scan your device but fail to spot an issue, proceed to method four.
This method involves the use of a powerful automated tool. But why is this important you might ask? A third-party tool is often the best solution when all manual repair efforts fail. Automated tools come equipped to tackle the most serious PC problems including error codes which can cause frustration and result in reduces PC performance.
Presented next are essential steps in order to recognize a dying graphic card.
EverydayLookup is a browser extension for Google Chrome developed by Mindspark Inc. This extension allows users to find what mobile network a certain number belongs to, to find out an area code of a country/town, or locate a town by zip code. While these features look promising and interesting, this extension comes with a downside.
When installed, this extension will change your default search engine, the home page, and new tab to search from MyWay.com, it will monitor user browsing activity, log searches, visited links, opened websites, and other information. This information is forwarded to Mindspark ad servers, then later sold/used to better target ads.
While browsing the internet with this extension you will see additional injected ads and sponsored content throughout your browsing sessions (even if the ads do not match your search queries). It can inject banners to websites, and sometimes even put an ad above website content making it extremely annoying to deal with.
dism /online /enable-feature /featurename:MediaPlayback