0x8007012A - A Full Guide to Fixing the Error Code (Five Methods)

I encountered Windows installation error 0x8007012A? This article provides detailed troubleshooting guides to help you resolve this issue. This error may prevent you from updating the firmware of Windows 11, Windows 10, or Surface devices, or may prevent you from opening certain Microsoft apps after the update.

Preliminary attempts:

The following methods may work:

1. Check network connection.
2. Keep the device connected to power.
3. Remove all connected peripherals.
4. Restart the computer.

If the problem persists, try the following advanced approach. Note: Some methods may cause data loss, and it is recommended to back up data in advance. You can use MiniTool ShadowMaker to back up files, folders, partitions, disks, and systems. The software also provides disk cloning and file synchronization capabilities.

Advanced Troubleshooting:

Method 1: Troubleshooting for running Windows updates

Troubleshooting Windows Update can help find and fix certain issues in Windows Update.

Step 1: Press Win I to open settings and click Update & Security > Troubleshooting . Step 2: Click on other troubleshooters and select Windows Update > Run troubleshooters .

Method 2: Start Windows Update and Background Intelligent Transfer Service

Backend Intelligent Transfer Service (BITS) allows downloading or uploading files between clients and servers. BITS and Windows Update Services are essential for update downloads.

Step 1: Enter "Service" in the search bar and open it. Step 2: Find the background intelligent transmission service , right-click and select Start .

Repeat step 2 to start the Windows Update service.

Method 3: Run SFC Scan

SFC scan can scan and fix corrupt system files that may cause Windows update error 0x8007012A.

Step 1: Enter "Command Prompt" in the search bar and select Run as administrator . Step 2: Enter sfc /scannow and press Enter to execute the command.

If the command cannot repair the corruption, continue to execute the command: DISM /Online /Cleanup-Image /RestoreHealth .

Method 4: Manually download and update

If you still encounter error 0x8007012A, you can manually download and install the update.

Step 1: Go to Settings > Update & Security > Windows Update > View update history . Step 2: Remember the KB number you want to download and go to Microsoft Update Catalog to search for that number.

Follow the on-screen guide to download and install the update.

Method 5: Reset the computer

The last method is to reset Windows.

Step 1: Press Win I to open settings and click Update and Security . Step 2: Click Recover and select Start under Reset this computer .

Hope the above method can help you solve the installation error 0x8007012A.

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