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    Senior Product Manager


Learn about the error code 0xC004F074 when activating Windows and discover conventional solutions. Safeguard your important data with backup methods recommended in this article.

I. Why does the 0xC004F074 error occur?
When product activation is required after updating Windows, it may be interrupted due to some reasons, resulting in 0xC004F074 error code. The reason for this error may be that there is a time difference between the KMS client and the KMS host; Windows is not activated with a genuine serial number; the product key has been used in another copy of Windows; Windows system files are damaged; interference etc.
After understanding the reasons that may cause the 0xC004F074 error, next, in order to better repair the error, we need to back up important data first to avoid file loss during the repair process. Here I recommend you a professional data backup tool – Renee Becca.
II. Use Renee Becca to back up data before repairing the fault

1. What is Renee Becca?

Renee Becca is a tool specially used for system/hard disk data backup and restoration. This software adopts leading incremental/differential backup technology, which can save you more time and disk space. It can not only help you easily backup and restore important data in your computer, such as programs, system configuration, emails, photos, videos, documents, bookmarks, etc. In addition, it also provides a variety of functions including system backup, partition backup, hard disk backup, file backup, disk cloning, and system migration. It has various functions and is very convenient to use.
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2. How to backup data with Renee Becca?

Backing up data with Renee Becca is very simple, the specific steps are as follows:
Step 1: Download, install and run Renee Becca on the computer, and select the (File Backup) option in the main interface (Backup) column.
Select file backup options
Step 2: Next, select all the files that need to be backed up in (source file (device)), select the hard disk partition to store the backup data in (destination), if you want the data to be more secure, you can store the backup file in an external in the hard disk. If regular automatic backup is required, you can open the task plan and select the appropriate backup function, that is, formulate a daily/weekly/monthly automatic backup plan in (task plan) and click (OK) to enable the automatic backup function.
Select files to backup
In addition, in (Backup Scheme)-(Scheme Type), you can choose a suitable backup scheme mode according to your personal needs. Renee Becca has 5 backup schemes to choose from, namely version chain mode, single version mode, overall mode, incremental mode and diff mode.
Select backup plan mode
Step 3: Finally, click the (Backup Now) button to start executing the backup file command according to your settings, and you can see the progress of all backup tasks on the taskbar. After the backup is complete, you can click the (Restore) button to restore the file to the specified disk when you need to restore the file.
Check the file backup progress on the taskbar
Step 4: After that, select the location where the files are to be restored, and click the (Restore) button.
Choose where to restore
After understanding the methods of backing up data, let’s learn several general methods for fixing error code 0xC004F074.
III. How to fix 0xC004F074 error?

1. Use the command prompt to execute the Slmgr.vbs command

Slmgr stands for Software License Manager, which refers to software license management, and Slmgr.vbs is the main component for managing activation, keys, and certificates in the computer system. You can check the Microsoft official instructions of Slmgr.vbs for more information. Next, let’s install the product key through the Slmgr.vbs command. The specific steps are as follows:
Step 1: Search (cmd) in the search box in the lower left corner, right-click (Command Prompt) and select (Run as Administrator) to open the Command Prompt tool.
run command prompt
Step 2: In the opened command prompt window, enter the command (slmgr.vbs -ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx), replace the letter x with the product key (25 digits) and press ( Enter) key, this command is used to install the product key.
slmgr.vbs commonly used command parameters:
① Install the product key command:slmgr.vbs-ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
② Install the OEM certificate method command: slmgr.vbs -ilc x:xxx.XRM-MS
③ Activate Windows command: slmgr.vbs -ato
④ Display the expiration date command of the license activation status: slmgr.vbs -xpr
⑤ Command to view the summary information of the license: slmgr.vbs -dli
⑥ View license details command: slmgr.vbs -dlv
⑦ Uninstall the current product key command: slmgr.vbs -upk

Step 3: Next, enter the command (slmgr.vbs -ato) in the command line window again and press the (Enter) key. This command is used to force Windows to try to activate online. After the command is executed, restart the computer and check whether the error code 0xC004F074 has been fixed.
Enter the slmgr.vbs command

2. Execute the Slui command

Slui.exe is an important Windows system process that can change product keys, activate Windows, check license authenticity, and more. The following are the specific steps to use the Slui command:
Step 1: Run the computer, press the (Windows+R) keys simultaneously to open the (Run) window. Next, type (slui 3) in the search box and press the (Enter) key.
run slui 3
Step 2: After that, in the corresponding product key area, enter the correct product key and click (next page), and finally click the (activate) button. After the operation is complete, restart the computer and see if the problem is resolved.
Enter the correct product key

3. Use the SFC command to check and repair damaged system files

sfc /scannow is a commonly used command among all SFC commands. It can scan all protected system files and fix problems. The specific operation steps are as follows:
Step 1: Search (cmd) directly in the search box in the lower left corner, right-click (Command Prompt) and select (Run as Administrator).
run command prompt
Step 2: In the opened command prompt window, enter the command (SFC /scannow) and press the (Enter) key. Next, System File Checker will perform a system scan and fix problematic system files. After the repair is complete, restart your computer and see if the problem is resolved.
Enter the SFC command

4. Run the Windows Update Troubleshooter

Windows Update Troubleshooter is a system update troubleshooting tool built into the Windows system, which can help users troubleshoot and fix most of the problems encountered during the system update process. While error code 0xC004F074 usually occurs after installing the latest updates on your computer, running the update troubleshooter can also help you. Here are the detailed steps to run the Windows Update Troubleshooter:
Step 1: Run the computer, press the (Windows+I) key on the keyboard at the same time to open the setting interface. Then click into the (Update and Security) option.
Select Update and Security Options
Step 2: Find (Troubleshooting) in the function bar on the left, then select the (Windows Update) option on the right, and click the (Run Troubleshooting) button. Wait a few moments after troubleshooting is complete to see if the problem is resolved.
run troubleshooter