Fix for Windows 10 KB5034441 Error 0x80070643
Key Notes
- The 0x80070643 error is caused by insufficient space in the recovery partition.
- Windows 10 KB5034441 update requires at least 250 MB of free space in WinRE.
- Follow the detailed step-by-step instructions to safely resolve the error.
Understanding and Fixing the 0x80070643 Error for Windows 10 KB5034441 Update
The Windows 10 KB5034441 update brings crucial security patches, but many users are encountering the 0x80070643 error due to recovery partition issues. This guide will provide clear steps to resolve the error and install the update successfully.
How to Resolve the 0x80070643 Error
To fix the 0x80070643 error, you will need to increase the size of the recovery partition. Here’s a comprehensive step-by-step guide:
Step 1: Launch Command Prompt as Administrator
Open the Command Prompt by right-clicking the Start menu and selecting “Command Prompt (Admin)” or “Windows Terminal (Admin)”.
Step 2: Verify WinRE Installation
Run the command reagentc /info to check if the Windows Recovery Environment is installed. If WinRE is present, you will see its location.
Step 3: Disable WinRE
Turn off WinRE by executing the command reagentc /disable.
Step 4: Prepare to Modify Recovery Partition
You will now make adjustments to the OS partition size to accommodate the recovery partition.
Step 5: Use Diskpart
Type diskpart in Command Prompt to open the Diskpart utility.
Step 6: Select OS Disk
List the available disks using the command list disk, and select your OS disk with sel disk [OS disk index].
Step 7: Identify OS Partition
Use list part to find your OS partition, then select it using sel part [OS partition index].
Step 8: Shrink OS Partition
Execute shrink desired=250 minimum=250 to reduce the size of the OS partition.
Step 9: Remove Old WinRE Partition
Select the old WinRE partition with sel part [WinRE partition index], then delete it using delete partition override.
Step 10: Create a New Recovery Partition
Check if your disk is GPT or MBR using list disk. For GPT, use create partition primary id=de94bba4-06d1-4d40-a16a-bfd50179d6ac and gpt attributes=0x8000000000000001. For MBR, use create partition primary id=27.
Step 11: Format the New Partition
Format the newly created partition using the command: format quick fs=ntfs label="Windows RE tools". After formatting, verify with list vol and exit Diskpart using exit.
Step 12: Finalize Setup and Enable WinRE
Re-enable WinRE by executing reagentc /enable and verify its status with reagentc /info.
Summary
The 0x80070643 error during the installation of Windows 10 KB5034441 is primarily due to insufficient space in the recovery partition. By following the steps outlined in this guide, users can successfully increase the space and install the update, ensuring system security and functionality.
Conclusion
If you encounter the 0x80070643 error while trying to install the KB5034441 update, don’t worry. By carefully following each of the steps to enlarge the recovery partition, you can resolve this issue and continue to secure your Windows 10 system with the latest updates.
FAQ (Frequently Asked Questions)
What is the 0x80070643 error?
The 0x80070643 error indicates a failure in installing a Windows update, often related to issues within the recovery or system partitions.
How do I check the free space in my recovery partition?
You can check the free space using the Disk Management tool by right-clicking the Start button and selecting “Disk Management”.Look for the recovery partition and view its properties.
Will increasing the recovery partition affect my installed applications?
No, increasing the recovery partition size will not affect your installed applications. It reallocates space from the OS partition.