
As you know, Windows 10 has a complicated mechanism for Activation which helps in the verification of a genuine copy of Windows 10. However, there are times when you might encounter some errors during the activation process. One of these errors is the error code 0xc000f074. This kind of error could be due to the Key Management Service or KMS which is unreachable by the client computer or if the key used in the SLSetAuthenticationData function call is incorrect.
This kind of error mostly affects surfaces on computers that are upgraded from either Windows 7 or Windows 8.1 to Windows 10. In such cases, you may encounter any of the following error messages:
“Windows is unable to reach your company’s activation service. Please connect to your corporate network. If you are connected and continue to see the error, contact your system administrator. You can also click on the error detail to find the exact error. Error code: 0xC004F074.”
“Activating Windows(R),
(Key hash)…
Error: 0xC004F074 The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted.
Please see the Application Event Log for additional information.”
“Error 0xC004F074, SL_E_AUTHN_MISMATCHED_KEY, The Software Licensing Service reported that the key is mismatched.”
To fix the Windows 10 Activation error 0xC004F078, you have to use the correct key for your type of Windows copy or use Command Prompt to reinstall the key or you could also try running the Activation troubleshooter.
The first thing you can do to resolve the Activation error code 0xc000f074 is to run the Windows 10 Activation Troubleshooter. To do so, follow these steps:
The Windows 10 Activation Troubleshooter will determine if your license key is a valid Windows 10 digital license for an edition that is not currently installed. If it turns out that it’s not, then the troubleshooter will show you how to install the correct edition.
If the Windows Activation troubleshooter wasn’t able to resolve the error, then you can try using the correct key for your type of Windows version. All you have to do so is check the type of your Windows copy if it’s OEM, retail, or volume. And make sure that you have the correct, valid product key for your operating system.
If you’re at your wits’ end in trying to upgrade your computer, you should consider contacting Microsoft Support for help as they can offer you various options that would make fixing Windows Activation error code 0xc000f074 a lot easier and faster.
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.
Basically, 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.
'Error 1603: A fatal error occurred during installation.'It indicates a problem occurred during the installation process and unsuccessful installation.
Windows 7 features Troubleshooting Wizard, an automated tool that helps users resolve several PC-related problems such as accessing shared files or internet connectivity to name a few.‘An unexpected error has occurred’- The troubleshooting wizard can’t continue
Error code: 0x80131700'
“Problem ejecting USB Mass Storage – This device is currently in use, close any programs or windows that might be using this device, and then try again.”This kind of error message occurs when the device is still interacting with the operating system in the background. There are several ways you can fix this error but before you check them out below, you need to close all the open windows and programs that may be using the USB storage device and then wait for a couple of seconds and then try safely removing it again. However, if you are still getting the same error message, then here are some tips you should try:
“Your password may have expired, or the remote PC might not accept blank passwords. Try connecting again. If this keeps happening, ask your admin or tech support for help.”It is unknown what the exact cause of the error message is as it could involve several factors. Even so, there are still various potential fixes you can try to fix this kind of error. You can try to check if your password has expired or troubleshoot any issues with the network. You could also use a remote desktop application or configure the settings of firewall or restart the remote desktop service. For more details, refer to each one of the given options below. But before you proceed, make sure that you have someone to help assist you on the other side to help you troubleshoot the issue.