Under personalization options click on START.
And then on the right part click on the button under Use Start full screen to turn it ON
That's it, your start menu is now full screen. 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!

Under personalization options click on START.
And then on the right part click on the button under Use Start full screen to turn it ON
That's it, your start menu is now full screen. GoforFiles is a Potentially Unwanted Program that allegedly allows users to easily search for files, movies, apps, and other useful things on the internet. In our testing, this program on further inspection does not work, it only displays an error for every search query. To top this off this program comes bundled up with other programs which could be malicious or unwanted. This program adds startup links into windows, allowing it and its bundled programs to launch every time Windows is restarted or launched. A task scheduled is also made, that lets the launch of the program at different random times during the day. Many anti-virus applications have marked this program and its bundled counterparts as Potentially Unwanted Programs, and it is highly recommended to remove these programs from your computer.
Trojan.Kryptik creates the following registry entry or registry entries:
Error Causes“The last product key you entered can’t be used on this copy of Windows (0xc03f6506).”This particular error tends to occur when you go on to activate Windows 10 although it can also appear during the upgrade process. In such cases, you will see the following error message:
“Unable to upgrade your edition, We can’t upgrade your edition of Windows. Try upgrading your edition of Windows again. (0xc03f6506).”To fix the Activation Error Code 0xc03f6506 in Windows 10, use the options provided below as references but before you proceed, make sure that you create a System Restore point first.
setup.exe /auto upgrade /pkey <YOUR WINDOWS 10 PRO EDITION PRODUCT KEY>After entering the command, check if it was able to fix the Windows Upgrade or Activation error 0xc03f6506. If not, refer to the next given option below.
This specific Windows 8.1 or Windows 10 error code has to do with the number of times you can use your license number to install windows programs on computers. All windows activation codes are licensed to be used one time for a device, to control piracy, but what happens when your PC crashes, or you have to change a hard drive component and are forced to re-install Windows Operating System. Luckily, there is an easy fix for this issue.
Error CausesBasically, when you need to re-install the Windows operating system that you have previously bought and installed on another computer an error code will be displayed with a message telling you that the activation server determined that the specific key could not be used for activation. This occurs because the key has already been used on that computer, or a different one, to install operating systems. There are a few easy fixes for this issue, and most of them should be easily completed on your own.
There aren’t many explanatory ways to repair Error Code 0xc004c008. Below are two methods to go about addressing this issue.
If the first method did not work, the only other option is to call Microsoft and walk through the process with a technician. To do this, dial “1-800-936-5700”. Explain the error that you received and the steps in the update process during which it was displayed. The technician will be able to walk through the steps from getting a new product key to finishing the installation.
If you're not a tech-savvy individual but would like to solve this problem without the aid of a technician, download a powerful automated tool to fix error code 0xc004c008.