When you’re trying to upgrade or install Windows 11 to your PC from an older version, including Windows 10, Windows 8 and Windows 7, you might receive error messages from the system.According to our experience,there are 4 basic ways to fix the setup issue before you spend more time to learn and find solutions for a specific error code.
Method 1: Uninstall Outdated Programs
The outdated software from third-party developers will lead to the upgrade failure of your system. Even worse, the outdated software will give the hackers more opportunity to attack your computer with malware and ransomware.Therefore, when you’re planning a clean installation of Windows 11 or just upgrade it from older Windows version, we recommend you to uninstall the outdated programs. Of course, after the successful system upgrade, you can install it back with the latest version which will not conflict with Windows 11.
Method 2: Free up More Space for Windows 11
As the system requirements for storage is 64 GB or greater, enough space is necessary for the installation.Therefore, before upgrading or installing, please check whether the hard device space is enough or not.Please press Win + E to open the File Explorer, and click This PC in the left menu to check the hard disk space for each disk.If you don’t have enough space,ways about how to free up more space for Win 11 will be introduces below.
- Empty your Recycle Bin;
- Clear junk files；
- Remove unnecessary folders;
- Remove duplicated files;
- Clean temporary files;
- Uninstall unnecessary programs and their leftovers;
- Install system cleaning and optimization tool to free up space;
Method 3: End Other Process Conflicting with Windows 11
If your got the 0x8007042B 0x4000D or 0x800700B7 0x2000A error code during installation,it means that there are other processes conflicting with the system. Then we need to end the running of them to ensure the successful installation of Win 11.
- Click Start icon and search Task Manager;
- Click More option to show more processes and apps running;
- Right click on the program that needs to be ended;
- Choose End task;
- Repeat step 3 and step 4 to end more process or software according your need.
Method 5: Remove Any External Device from Your PC
If your computer is connected with an external device such as headphone, USB drive, or a printer, there might a problem that the Windows 11 installation and upgrading will be failed. Then, before installing Win 11, please unplug-in them from your computer.
If the above methods are not working, or you have other specific errors with the Windows 11 system, please leave us a comment. We will try our best to help you fix the setup problem in Win 11.