How to fix KB5012599 failed to install on Windows?

Question

Issue: How to fix KB5012599 failed to install on Windows?

Hello. I have been trying to install the Windows 10 update KB5012599 but it fails every time. I receive an error code 0x800f0831. What should I do?

Solved Answer

The 0x800f0831 error code was reported to appear after trying to install the KB5012599 Windows 10 update. People that experience the issue say that the update package downloads successfully but the installation process fails and produces an error message. Microsoft releases important feature updates and security patches[1] so an update error is a problem that needs to be fixed.

The KB5012599 package is said to make quality improvements to the servicing stack. It can fail to install for a number of reasons. Most of the time, the error is caused by system file corruption, malfunctioning Windows update components, or the SoftwareDistribution folder. Usually, the updating process can be restored by running a built-in update troubleshooter or resetting the update components.

You can also use a maintenance tool like ReimageMac Washing Machine X9 that can fix most system errors, BSODs,[2] and registry[3] issues. It can also automatically clear the system from cookies and cache which are often the culprits of many malfunctions. This powerful software will help you avoid a lengthy troubleshooting process. Otherwise, follow the step-by-step guide provided below carefully.

How to fix KB5012599 failed to install on Windows

Solution 1. Run the Update Troubleshooter

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Press the Windows + X keys and go to Settings
  • Go to Update and Security
  • Click Troubleshooter
  • Select Additional troubleshooters
  • Run the Update troubleshooter

Run the Update Troubleshooter

  • Restart

Solution 2. Repair Corrupted System Files

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Use Command Prompt commands to repair system file corruption:

  • Open Command Prompt as administrator
  • Use the following command and press Enter:
    sfc /scannow

Repair Corrupted System Files

  • Reboot your system
  • If SFC returned an error, then use the following command lines, pressing Enter after each:
    DISM /Online /Cleanup-Image /CheckHealth
    DISM /Online /Cleanup-Image /ScanHealth
    DISM /Online /Cleanup-Image /RestoreHealth

Solution 3. Reset Windows Update Components

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Open Command Prompt as administrator again
  • Copy and paste the following commands, pressing Enter after each:
    net stop bits
    net stop wuauserv
    net stop appidsvc
    net stop cryptsvc
    Del “%ALLUSERSPROFILE%\\Application Data\\Microsoft\\Network\\Downloader\\*.*”
    rmdir %systemroot%\\SoftwareDistribution /S /Q
    rmdir %systemroot%\\system32\\catroot2 /S /Q
    regsvr32.exe /s atl.dll
    regsvr32.exe /s urlmon.dll
    regsvr32.exe /s mshtml.dll
    netsh winsock reset
    netsh winsock reset proxy
    net start bits
    net start wuauserv
    net start appidsvc
    net start cryptsvc

Reset Windows Update Components

  • Restart your PC

Solution 4. Delete the SoftwareDistribution Folder

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Search the taskbar for C:\\Windows\\SoftwareDistribution
  • Select all the files inside the folder and deleted them

Delete the SoftwareDistribution Folder

Solution 5. Update via Media Creation Tool

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Download Windows 10 installation media from the official Microsoft website
  • Open the tool once it installed
  • Agree to license terms
  • Choose Upgrade this PC now

Update via Media Creation Tool

  • Wait for the update to be installed

Repair your Errors automatically

ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

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Reimage - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.Reimage - a patented specialized Mac OS X repair program. It will diagnose your damaged computer. It will scan all System Files and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Reimage malware removal tool.

Prevent websites, ISP, and other parties from tracking you

To stay completely anonymous and prevent the ISP and the government from spying on you, you should employ Private Internet Access VPN. It will allow you to connect to the internet while being completely anonymous by encrypting all information, prevent trackers, ads, as well as malicious content. Most importantly, you will stop the illegal surveillance activities that NSA and other governmental institutions are performing behind your back.

 

Recover your lost files quickly

Unforeseen circumstances can happen at any time while using the computer: it can turn off due to a power cut, a Blue Screen of Death (BSoD) can occur, or random Windows updates can the machine when you went away for a few minutes. As a result, your schoolwork, important documents, and other data might be lost. To recover lost files, you can use Data Recovery Pro – it searches through copies of files that are still available on your hard drive and retrieves them quickly.

 

About the author
Jake Doe
Jake Doe - Computer technology geek

Jake Doe is the news editor at UGetFix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

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