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28 February 2024  Ashley S. Miller  Specialist of Customer Service Dept.
 

Summary
When you encounter error code 0x803F7001, it means that a valid license could not be found to activate Windows on your computer. At this time, you may wish to use the following methods to try to solve the problem of this error code, let's continue to learn.



Table of contents

table iconPart 1. Why does the error code 0x803f7001 appear?
table iconPart 2. Before repairing the fault, use Renee Becca to back up the data
table iconPart 3.How to fix error code 0x803f7001?
fix the Windows error code 0x803f7001

Part 1. Why does the error code 0x803f7001 appear?

Error code 0x803f7001 is a Windows system activation error that typically occurs after a fresh OS installation, incorrect system version installation, wrong product key usage, or hardware changes to the drive.
Before repairing any errors, it is crucial to back up important data to prevent data loss. We recommend using a professional data backup tool – Renee Becca.

Part 2. Use Renee Becca to back up data before repairing the fault

1. What is Renee Becca?

Renee Becca is a tool used for system/hard disk data backup and restoration. It adopts leading incremental/differential backup technology to save time and disk space. This software can easily backup and restore important data such as programs, system configuration, emails, photos, videos, documents, and bookmarks. It also offers functions like system backup, partition backup, hard disk backup, file backup, disk cloning, and system migration.
Hot Topic - ADsProfessional Data Backup & Restore Software - Renee Beccadata bacup software Renee Becca

Provides multiple functions like backup, restore, clone, system migration.

Clone all data (including system) in HDD to smaller SSD or larger HDD. Disk could boot PC after clone finished.

Supports to migrate Windows to SSD with a few clicks.

4K alignment will be processed when clone disk, migrate system, restore disk or system.

Backup & restore system/disk/folder. Auto backup plans are available.

Provides functions like backup, restore, clone, system migration.

Clone all data (including system) in HDD to smaller SSD or larger HDD.

Backup & restore system/disk/folder. Auto backup plans are available.

Compatible with: Windows 10 / 8.1 / 8 / 7 / Vista / XP / 2008 / 2012(32bit/64bit) / Server 2008

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5000 people have downloaded and made the disk clone successfully!

2. How to backup file data with Renee Becca?

Step 1: Download, install, and run Renee Becca on the computer. Select the (File Backup) option in the main interface.
click to back up files in renee becca
Step 2: Select files to back up from the source device, choose a destination hard disk partition, and consider storing the backup on an external hard disk for added security. Create a task plan for regular automatic backups by selecting the desired backup function, setting up a daily/weekly/monthly schedule, and enabling the automatic backup feature. Choose the preferred
how to back up files in renee becca
Step 3: Click the (Backup) button to execute the backup file based on your settings and monitor progress on the taskbar. Click (Recovery) to restore the file to the specified disk when needed.
recover backup files from renee becca
Step 4: After that, select the location where the files are to be restored, and click the (Recovery) button.
files recovery location
After learning data backup methods, let’s explore solutions for error code 0x803f7001.

Part 3. How to fix error code 0x803f7001?

1. Purchase a valid license key

Error code 0x803f7001 is likely due to using an invalid license key. To resolve this, purchase a valid key from the Windows Store following the instructions for your system version.

2. Reactivate Windows

Error 0x803f7001 may occur due to an incorrect activation code. To resolve this issue, try reactivating Windows with the correct code.
Step 1: Run Computer, right click on (This PC) and select (Properties). In the Properties window, find and click on (Change Product Key).
change product key windows 10
Step 2: Enter the correct Windows Activation Key in the Product Key box and follow the steps to reactivate Windows.
enter product key windows 10

3. Activate Windows via mobile phone

If you encounter error 0x803F7001 during activation, try activating by phone with the following steps:
Step 1: Run the computer, press (Windows+R) keys simultaneously to open the run window. Then, type (Slui 4) in the text box and press (Enter).
slui 4 command
Step 2: Select the country or region where you are located in the pop-up interface, then click Finish and (Next).
Step 3: Call the free number on the page, provide the installation ID to the other party, receive registration codes, enter them in the dialog box.
slui 4 command

4. Activate Windows via Command Prompt

In addition to activating Windows manually with a toll-free phone number, you can also do so through the command prompt.
Step 1: Search for (cmd) in the lower left corner search box, then right-click on Command Prompt and choose Run as administrator.
run as administrator
Step 2: In the opened command prompt window, enter the following commands respectively, and press the (Enter) key after you type each command. After all commands are executed, check whether the current problem is resolved.
slmgr-upk (uninstall previous product key)
slmgr-cpky (Clear Product Key Registry)
slmgr-ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (replace XXXX with your product key/install a new one)
slmgr-ato
Enter the relevant command of slmgr