How to fix
Windows update error 0xc19001e1
on Windows

Hello. I tried updating Windows, but every time I receive an error with a code 0xc19001e1. I have tried restarting my PC and trying again, but that did not work. Do you know how could I fix this problem?

Windows is an extremely complicated operating system that relies on thousands of processes running in the background to keep everything in check. Those processes also need to be updated regularly if security or other issues are discovered. If the updates fail to install, users may experience crashes and bugs. Sometimes the source of system problems are the updates themselves.

Sometimes users encounter a Windows update error 0xc19001e1 which is preventing them from updating the system. There are various apps, processes, and even hardware items that could be interfering with the process. So it is important before attempting to update to close all programs running in the background, disable antivirus software, and VPNs.[ref en-1]

Most often, Windows update errors indicate that the OS is missing some files required by Windows Update to perform it. When an error code such as this appears, Windows cannot finish updating the operating system. Other common reasons may include incorrect user input and accidentally deleted files from the registry that now cause system malfunctions.

Windows also has built-in troubleshooters that fix most update errors automatically but they do not always work. Users are then left frustrated and searching for solutions themselves. Especially if the failure of an update install is preventing them from performing basic tasks. If the previous simple solutions did not help you, in this guide, you will find 5 methods that can help you fix the issue.

Troubleshooting manually could take a while because it is unclear what is causing the issue, so you can try using an automatic solution [d1] to avoid going through all of the possibilities. The repair tool can identify the damaged system components, fix BSODs,[ref en-2] and registry issues by scanning the system. This software could also be used to free up space by clearing cookies and cache,[ref en-3] which should boost the device's performance.

Below you will find a few manual methods that could fix the Windows update error 0xc19001e1 and let you update your system. Note that this will take a while, so please follow all of the steps very carefully:

Method 1. Run the Update Troubleshooter

• Press the Windows + X keys and go to Settings
• Go to Update and Security
• Click Troubleshooter
• Select Additional troubleshooters

• Run the Update troubleshooter
• Restart

Method 2. Repair Corrupted System Files and Check Disk

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

• 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

Method 3. Reset every Windows Update Component

• 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

• Restart your PC

Method 4. Download the Updates Manually

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

• Go to Microsoft Update Catalog page, type in the KB number and press Search
• 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)

Method 5. Perform a Repair Install

• Download the Windows 10 ISO file
• Now mount the ISO file
• Double-click on the file setup.exe to start the repair, install from the mounted drive
• When the installation provides the License Terms, read them and click Accept

• Windows 10 will now check for updates and will install the ones available
• When all is set, click Install
• When the installation is complete, follow the on-screen instructions