How to fix KB5018545 fails to install in Windows 10?

Question

Issue: How to fix KB5018545 fails to install in Windows 10?

Hello. I tried to install the most recent Windows 10 update KB5018545 but the process fails. How can I fix this?

Solved Answer

KB5018545[1] is a cumulative update for .NET Framework 3.5, 4.8, and 4.8.1 released on October 11. It contains quality and reliability improvements. It is important to keep the operating system updated to keep it running smoothly. The updates offer bug fixes, new functions, and security patches.

However, sometimes people run into issues when trying to install them. Some people report that KB5018545 fails to install in Windows 10. It is unknown why exactly this could be happening. In most cases, Windows updates cannot install because of corrupted files, malfunctioning update components, outdated drivers, or third-party antivirus interference.

In this guide, you will find 7 steps that should help you fix KB5018545 fails to install in Windows issue. Keep in mind, that manual troubleshooting can be a lengthy process, so you can also use a maintenance tool like ReimageMac Washing Machine X9 to scan your machine. This powerful software can fix most system errors, BSODs,[2] corrupted files, and registry[3] issues automatically. Otherwise, follow the step-by-step instructions below.

How to fix KB5018545 fails to install in Windows 10

Solution 1. Uninstall Third-Party Antivirus

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

Sometimes third-party security tools can interfere with legitimate Windows processes because it is seeing them as malicious. If you have any antivirus installed on your computer, remove it to see if it fixes the issue:

  • Go to Apps & features
  • Find third-party antivirus in the list
  • Click on it once and then click Uninstall

Uninstall Third-Party Antivirus

  • Wait for the process to finish and check if you can install updates

Solution 2. Remove Windows Update Files

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Press the Windows key + X and click on PowerShell (Admin)
  • Copy and paste the following commands and press Enter after each one:
    net stop bits
    net stop wuauserv
    net stop msiserver
    net stop cryptsvc
  • Press the Windows key + R to open the Run box
  • Type %windir%\softwaredistribution\ press Enter
  • Delete all content inside the SoftwareDistribution folder

Remove Windows Update Files

  • Press the Windows key + X and click PowerShell (Admin) again
  • Copy and paste the commands below and press Enter after each one:
    net start bits
    net start wuauserv
    net start msiserver
    net start cryptsvc
  • Check if you can install Windows updates

Solution 3. Run the Windows 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

Run the Windows Update Troubleshooter

  • Select Additional troubleshooters
  • Run the Update troubleshooter
  • Restart

Solution 4. Fix 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

Fix 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 5. Update Drivers

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • In the search box on the taskbar, enter device manager, then select Device Manager
  • Select a category to see the names of devices, then right-click the one you’d like to update
  • Select Search automatically for updated driver software
  • Select Update Driver

Update Drivers

  • If Windows doesn't find a new driver, you can try using an automatic tool like DriverFix which can find the best drivers for your system

Solution 6. Install the Update Manually

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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

  • Go to Microsoft Update Catalog page, type in the KB number and press Search
  • Download the update and install it manually

Solution 7. 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

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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
Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

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