How to fix Windows update error 0x800F0955?

Question

Issue: How to fix Windows update error 0x800F0955?

Hello. I tried to update my Windows 10 PC to version 1809 but I received this message – “Error on installation – Code 0x800f0955.” How can I fix this?

Solved Answer

Windows is the most popular operating system in the world. People love it for various reasons, including the user-friendly interface, customization abilities, and built-in troubleshooters. Microsoft regularly releases updates which include new features and security patches. It is important to install them to keep the system running smoothly.

However, sometimes users run into issues when trying to install Windows updates. We previously wrote about update errors such as 0x800f0831, 0x8024a223, and 0x8009001D. Recently, users reported receiving an update error 0x800F0955. It is unclear why this error appeared specifically. There may be various reasons for failed update installation.

Sometimes the updates fail to install because of corrupted files, memory issues, or malfunctioning update components. In this guide, you will find 6 steps that could help you fix the Windows update error 0x800F0955. However, manual troubleshooting can be a lengthy process.

We recommend using a maintenance tool like ReimageMac Washing Machine X9 that can fix most system errors, BSODs,[1] corrupted files, and registry[2] issues. This powerful software can also clear cookies and cache[3] automatically, which are often the culprits of many malfunctions. Otherwise, follow the steps in the guide below carefully.

How to fix Windows update error 0x800F0955

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 and Check Disk

Fix it now! Fix it now!
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
  • 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

Repair Corrupted System Files and Check Disk

  • Ensure that your disk is not damaged. You can perform checks using Administrative Command Prompt:
  • If you are using an HDD as your main driver (where your operating system is installed – C: by default), use the following command and press Enter:
    chkdsk c: /f
  • If you are using SSD, use this command:
    chkdsk c: /f /r /x
  • If you receive an error, type in Y and hit Enter
  • Restart your device to perform the check

Solution 3. Run Windows Memory Diagnostic Tool

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

Windows has a built-in RAM testing tool. It’s included on Windows 10, Windows 11, Windows 7, and all other modern versions of Windows.

  • Open the Start menu, type Windows Memory Diagnostic, and press Enter
  • Click Restart now and check for problems (recommended)

Run Windows Memory Diagnostic Tool

  • Your computer will now restart
  • The test may take several minutes. You will see a progress bar and a Status message will inform you if any problems have been detected during the process

Solution 4. Reset Windows Update Components

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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 5. Install the Update Manually

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Whenever Windows updates fail to install automatically, you can always try doing it manually. First, you need to find out which KB number is relevant to you.

  • Right-click Start button and pick Settings
  • Go to Update & Security
  • On the right, locate and click View update history
  • From the list, note the KB number that fails to install with the error code

Install the Update Manually

Install the Update Manually2

  • Download the update and install it manually

(Note: if you are dealing with a Windows upgrade issue, make sure you also download KB4498524 and KB4515384 updates as well)

Solution 6. 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 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

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This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
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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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