Windows 11

How to fix 0x8007012a installation error in Windows 11

Windows 11 Although it is Microsoft The latest version may also be the most advanced version, but it is still not completely error-free. And, the worst thing is to prevent you from updating installed components or operating systems. One of them is Windows 11 middle 0x8007012a Installation error.

The user encountered an error on the Windows Update screen where the update was listed but could not be installed. Along with the listed updates is the retry button, clicking this button will usually not eliminate the error unless you troubleshoot.

In the following sections, we list Windows 11 middle 0x8007012a Installation errorThe root cause and its solution. By the end of this article, your system has all pending updates installed.

What caused Windows 11 middle 0x8007012a Installation error?

0x8007012a There may be many reasons for installation errors, most of which indicatesoftwareThere are problems, rarely related to hardware.

  • Problem with updating components
  • Internet connection problem
  • MalicioussoftwareOr virus
  • Corrupted system files
  • Peripheral failure

Listed above are the most common potential problems, once you understand these problems, you can more easily eliminate errors on the system. If you can identify the error, just go to the relevant fix and execute it. Or, you can continue to use them in the order listed.

How to fix Windows 11 0x8007012a in the installation error?

1. Disconnect peripheral devices

External devices connected to the PC often conflict with their functions, so it is recommended that you disconnect non-critical devices. These include printers, headphones, speakers and other similar peripherals.

After disconnecting these connections, restart your computer and check Windows 11 Whether the 0x8007012a installation error in has been eliminated.

2. Run the Windows Update Troubleshooter

  1. according toWindows+ILaunch the Settings application and click on the right side of the System tabTroubleshoot.
  2. Next, clickOther troubleshootingTo see all issues.ApplicationFrameHost_BifsSlC6ay
  3. turn upWindows updateTroubleshoot, and then click the run button next to it.ApplicationFrameHost_UBExqPmkPS
  4. Let the troubleshooter diagnose the computer problem, and then follow the instructions listed on the screen.

Whenever you encounter an error in Windows, it is recommended to run the related troubleshooting program for it.Microsoft Provides a variety of built-in troubleshooting programs that can automatically diagnose and solve problems, and in some cases, list the steps to repair them.

After the troubleshooting procedure is completed, check whether it is eliminated Windows 11 0x8007012a in the installation error.

3. Run Windows Update and BITS

  1. according toWindows+Rstart upRun command. Type in the text fieldservices.mscAnd then click OK or clickEnterTo startServeapplication.explorer_IqS6XRRyHm
  2. Find and double clickBackground Intelligent Transmission Service.mmc_PxUyGj83Ls
  3. Choose from the Startup Type drop-down menuautomatic.Z5iXCNm7Zi
  4. Click “Start”Button, after the service is running, click “OK” to save the changes.mmc_hPFn6DVZLd
  5. Next, find and double-clickWindows UpdateServe.mmc_P3cWQ9A72T
  6. As you did before, select “Startup Type” drop-down menuautomatic“.TTK63HBMyh
  7. Finally, click “Start”Button and click “OK” to save the changes.mmc_Eci2VpLgNv
  8. an examination Windows 11 Whether the 0x8007012a installation error in has been fixed, and you can download the update.

4. ClearsoftwareDistribution folder

  1. according toWindows+SLaunch the search menu. Type in the text field at the topWindows TerminalRight-click the relevant search result, and select Run as administrator from the list of options.explorer_lt5pZwH73H
  2. Click on the UAC (User Account Control) prompt that appearsYes.consent_1ZgkiKxe6d
  3. Click the down arrow at the top and select from the list menuCommand prompt. Or you can pressCtrl+ Shift+In the Windows terminal2Launch the command prompt tab.WindowsTerminal_txBOaO5gY3
  4. Now type/paste the following command andEnterClick after each command to stopWindows UpdateService and stop wuauservnet stop bitsWindowsTerminal_scMMkgLokJ-1
  5. After the service is stopped, pressWindows+Rstart uprunCommand, enter the following address in the text field and click OK.C:WindowsSoftwareDistributionexplorer_hEWj5ozYfA-1
  6. according toCtrl+ASelect all the files listed here and pressDelKey to delete them.explorer_QXs26NUrS2

softwareThe distribution folder contains files temporarily needed for the update process. However, if these are damaged for any reason, you may encounter Windows update errors.

Although you manually deleted these files, the system will automatically re-download a new set of files, but the update history will be lost. In addition, the next update process will take longer.

5. Run SFC and DISM

  1. according toWindows+RStart the Run command and type in the text fieldwtHoldCtrl+ShiftKey, and then click OK or clickEnterStart-upWindows Terminal.explorer_KNgp04AiLK
  2. Click on the UAC (User Account Control) prompt that pops upYes.consent_1ZgkiKxe6d-1
  3. Next, click the down arrow at the top and select from the list of optionsCommand prompt.WindowsTerminal_txBOaO5gY3-1
  4. Type/paste the following command and clickEnterrunSFCscanning.sfc /scannowWindowsTerminal_HexCd5DjSL
  5. After the SFC scan is complete, type/paste the following command and clickEnterrunDISMtool.DISM /Online /Cleanup-Image /RestoreHealthWindowsTerminal_pHi7ArbGjL
  6. When finished, restart the computer and check Windows 11 Whether the 0x8007012a installation error in has been fixed.

6. Reset Windows Update Components

  1. according toWindows+XLaunch the quick access/power user menu and choose from the options listed hereWindows terminal (administrator).Aqs8rwnDwf
  2. Click on the UAC (User Account Control) prompt that appearsYes.consent_1ZgkiKxe6d-1
  3. Click the down arrow and select from the menuCommand prompt.WindowsTerminal_txBOaO5gY3-1
  4. Now type/paste the following command andEnterClick after each command to execute them. The following command will stop the BITS and Windows Update services:net stop bitsnet stop wuauserv
  5. Execute the following command to delete the qmgr*.dat file:Del “%ALLUSERSPROFILE%Application DataMicrosoftNetworkDownloaderqmgr*.dat”
  6. Next, execute the following command to rename several key folders. If this is your first attempt to reset Windows Update Notes, you can skip this step.Ren %Systemroot%SoftwareDistributionDataStore DataStore.bakRen %Systemroot%SoftwareDistributionDownload Download.bakRen %Systemroot%System32catroot2 catroot2.bak
  7. Paste the following command andEnterClick after each command to reset BITS and Windows update service:sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
  8. Now, execute the following command:cd /d %windir%system32
  9. Paste the following commands at once and clickEnterEach command to re-register to BITS and Windows update files and repair Windows 11 0x8007012a installation error in:

regsvr32.exe atl.dll
regsvr32.exe urlmon.dll
regsvr32.exe mshtml.dll
regsvr32.exe shdocvw.dll
regsvr32.exe browseui.dll
regsvr32.exe jscript.dll
regsvr32.exe vbscript.dll
regsvr32.exe scrrun.dll
regsvr32.exe msxml.dll
regsvr32.exe msxml3.dll
regsvr32.exe msxml6.dll
regsvr32.exe actxprxy.dll
regsvr32.exe softpub.dll
regsvr32.exe wintrust.dll
regsvr32.exe dssenh.dll
regsvr32.exe rsaenh.dll
regsvr32.exe gpkcsp.dll
regsvr32.exe sccbase.dll
regsvr32.exe slbcsp.dll
regsvr32.exe cryptdlg.dll
regsvr32.exe oleaut32.dll
regsvr32.exe ole32.dll
regsvr32.exe shell32.dll
regsvr32.exe initpki.dll
regsvr32.exe wuapi.dll
regsvr32.exe wuaueng.dll
regsvr32.exe wuaueng1.dll
regsvr32.exe wucltui.dll
regsvr32.exe wups.dll
regsvr32.exe wups2.dll
regsvr32.exe wuweb.dll
regsvr32.exe qmgr.dll
regsvr32.exe qmgrprxy.dll
regsvr32.exe wucltux.dll
regsvr32.exe muweb.dll
regsvr32.exe wuwebv.dll

9. Execute the following command to resetWinsock:netsh winsock reset

10. Finally, paste the following command and clickEnterRestart BITS and Windows Update services:net start bitsnet start wuauserv

If the Windows Update component is damaged, you may experience problems downloading and installing the update. In this case, you should reset these to fix the 0x8007012a installation error in Windows 11.

7. Manually download the update

  1. Go to the Windows 11 update history and write down the KB (Knowledge Base) number of the update you are having trouble installing. One of the screenshots below is the latest update when this article was first written.chrome_LbDE207uII-1
  2. Next, go to Microsoft Update Catalog, paste the KB number you copied earlier into the search box near the upper right corner, and then clickEnter.chrome_RFnaPcrd8R-1
  3. Click next to the relevant updatedownloadButton.chrome_3QA9GtpEEy
  4. Now, click the link to start the download.chrome_d9nuRnUNK1-1
  5. After downloading, double-click the file to start the installer, and then follow the instructions on the screen to complete the installation process.explorer_tXrx9DdMrl-1

The above method will help you to manually download operating system updates. If you encounter errors while downloading driver updates, learn how to update them manually. Among the methods listed in the linked guide, follow the method on the manufacturer’s website to obtain the updated version.

If the methods listed above cannot fix the 0x8007012a installation error, how can I reset Windows 11?

If the fixes listed above don’t work (although the possibility is slim), you can reset Windows 11 to its factory settings. There are many methods you can continue to use, and each method has its advantages. So choose the one that suits you best and complete the process. When resetting your PC, you can choose to keep the files or delete them.SystemSettingsAdminFlows_E0XuyvZ6s7

However, resetting the PC will delete installed applications and configured settings. Therefore, it should be your last resort, only after all the other methods listed above have not worked.

This is all about the 0x8007012a installation error in Windows 11 and its most relevant fixes. We believe these should have fixed the errors on your PC.

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