How to Troubleshoot: Windows Update Error C1900204

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Error C1900204 indicates that the Windows update failed. This error often occurs with the latest Windows 10 updates. There can be several reasons for the failed update.

The purpose of this guide is to solve this problem by creating a bootable ISO image of Windows 10 or by updating it using a media creation tool. Before doing so, however, be sure to create a recovery media for your existing operating system or create a full backup in case you need to go back to your previous operating system.

What are the causes of Windows update error C1900204?

  • Some users have reported that one of the causes of error 0xc1900204 is that the default display language is not set to English.
  • It is also possible that error 1900204 is caused by corrupt files in your system. To solve the problem, you can run an SFC check.

How to fix Windows update error C1900204?

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Troubleshoot Windows Update

  1. Open the Settings app -> Update and Security -> Troubleshoot tab > Windows Update.
  2. Once Windows Update troubleshooting is complete, go back to Troubleshooting and open Internet Connection Troubleshooting.
  3. Reboot your computer.

Restart Windows Update

  1. Navigate to C:\WindowsSoftwareDistributionDownload.
  2. Press Ctrl + a and delete everything in the folder.
  3. Open a command prompt with administrator privileges.
  4. Enter the following command: wuauclt.exe /updatenow.
  5. Go to Control Panel > Windows Update > Check for updates.

Editing the registry

  1. Open the registry editor (regedit) with administrator privileges.
  2. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
  3. Find ProgramFilesDir REG_SZ, right-click and select Edit.
  4. In the Value input field, delete the current path and paste the correct path to the Program Files folder on your computer.
    For 32-bit Windows, the correct path is X:\Program Files (x86).
    For 64-bit Windows, the correct path is X:\Program Files.
  5. Click OK and restart your computer.

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