Update KB5015878 and KB5015730 Not Installing on Windows 10

How to Fix Update KB5015878 and KB5015730 Not Installing on Windows 10

Microsoft recently released new Updates KB5015878 and KB5015730 on Windows 10 20H2, 21H1 and 21H2 systems with the intention of fixing a few bugs and enhance the performance. The latest updates fixes a number of issues, most notably gaming issues, Autopilot fixes, and introduces a revamped Focus Assistant feature. But few users have complained that they are unable to install the latest updates on their system despite multiple attempts.

If you are having trouble installing KB5015878/KB5015730 update on your Windows 10, you can follow this article. However, here we have compiled some tricks to solve your problem quickly and effectively. Then let’s have a look.

Fix 1: Run Update Troubleshooter

The initial attempt to install the new Update KB5015878 and KB5015730 on Windows 10 system is running the Windows Update troubleshooter. To do so,

  • Firstly, press Windows + I altogether to launch Settings menu and select the Update & Security option.
  • Then click on the Troubleshooter and go to the Additional troubleshooters link.Windows update troubleshooter
  • On the following screen, choose the Windows Update option, and click on the Run the troubleshooter button and feel the improvement.

Fix 2: Run Update Assistant

In some instance, installing the Windows 10 Update Assistant tool will allow you to install Update KB5015878 and KB5015730 on your Windows 10 without any hassle. To do so,

  • Firstly, open your web browser to launch the official Windows 10 Update Assistant page.Windows 10 Update Assistant
  • On the newly opened window, choose the Update Assistant and click on the Update now button.
  • Once done, you can try again to install the discussed updates on your system.

Fix 3: Use Windows 10 Media Creation Tool

Another effective trick to fix Update KB5015878/KB5015730 not installing issue in Windows 10 is install Windows 10 Media Creation Tool. To do so,

  • Firstly, open your web browser to launch the official Windows 10 Media Creation page.
  • On the newly opened window, choose the Create Windows 10 Installation Media tool and click on the Download tool now button to continue.
  • Once done, you can try again to install the discussed updates on your system.

Fix 4: Use Microsoft Update Catalog 

It is possible that you can install the problematic updates from the Microsoft Update Catalog page. To do so, 

  • Firstly, open your browser to launch the official Microsoft Update Catalog page.Microsoft Update Catalog
  • Now in the given search box type, Update “KB5015878/KB5015730” (whichever you need to install).
  • From the search result, choose the file compatible to your system and install it. 
  • Once done, you can experience the new updates improvements. 

Fix 5: Disconnect External Hardware

In most cases, external hardware connected to your system will block the installation process of new updates on your system. In this case you can remove all the external components from the system and try again to install Microsoft updates.

Fix 6: Remove DataStore Files

As per some users removing the DataStore files helped them to install the Update KB5015878/KB5015730 on their Windows 10 system. To do so,

  • Firstly, type “services.msc” in your system search box and launch the first result from the search. 
  • On the newly appeared screen, scroll down and, right-click on the Windows Update service, click on the Stop option from the sub-menu.
  • Once done, you need to press Windows + R altogether to launch the RUN dialog box. 
  • Then type, %windir%\SoftwareDistribution\DataStore in the given text space and click on OK
  • Now from the newly appeared folder, delete all the contents, and then you can install the new updates.

Fix 7: Delete SoftwareDistribution Folder Files

At times deleting the SoftwareDistribution folder files might help you to install the problematic updates on your Windows 10 without any trouble. To do so, 

  • Firstly, type “services.msc” in your system search box and launch the first result from the search. 
  • On the newly appeared screen, scroll down and, right-click on the Windows Update service, click on the Stop option from the sub-menu.
  • Once done, open the Windows Explorer and move on to the C:\Windows folder.
  • Now you need to choose and open the SoftwareDistribution folder, select all the contents and delete them permanently.
  • When done, you will be able to install the new updates. 

Fix 8: Reset Windows Update Component

In many cases resetting the Windows Update Component will allow you to install the problematic updates on your system smoothly. To do so, 

  • Firstly, open the Command Prompt window by typing “cmd” in your taskbar search box. 
  • On the newly opened screen, type or paste the following commands one after another and press Enter, 

SC config trustedinstaller start=auto

 net stop bits

 net stop wuauserv

 net stop msiserver

 net stop cryptsvc

 net stop appidsvc

 Ren %Systemroot%\SoftwareDistribution SoftwareDistribution.old

 Ren %Systemroot%\System32\catroot2 catroot2.old

 regsvr32.exe /s atl.dll

 regsvr32.exe /s urlmon.dl

regsvr32.exe /s mshtml.dll

 netsh winsock reset

 netsh winsock reset proxy

 rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN

 dism /Online /Cleanup-image /ScanHealth

 dism /Online /Cleanup-image /CheckHealth

 dism /Online /Cleanup-image /RestoreHealth

 dism /Online /Cleanup-image /StartComponentCleanup

 Sfc /ScanNow 

net start bits

 net start wuauserv

 net start msiserver

 net start cryptsvc

 net start appidsvc

  • Once done, you are able to install the new updates. 

Fix 9: Free Up Drive Space

Along with all the above tricks, you need to make sure that your system drive has enough space to install the latest updates. You can delete unnecessary files and applications from the system to free up drive space and install new updates.

These are all about the Update KB5015878/KB5015730 Not Installing issue on Windows 10 and its fixes. If you have any queries or concerns regarding this article, you can leave a comment in the comment box below.

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