[KB9199290] How to Fix the Windows 10 Update 20H2 Error code 0x800f0900?

How to solve the Windows 10 Update 20H2 Error code 0x800f0900?

The 0x800f0900 error occurs when you try to install cumulative updates for Windows 10. Windows 10 Update Error Code 0x800f0900 translates to CBS_E_XML_PARSER_FAILURE which indicates that some system files related to the update process are corrupted. In this article, we will discus the major causes of this Windows 10 Update 20H2 Error 0x800f0900 and the solution needed to resolve this Windows 10 Update Error Code 0x800f0900.

Windows 10 Update Error 0x800f0900

Reasons of the Windows Update Error code 0x800f0900

Several reasons may cause this Windows 10 Update 20H2 Error Code 0x800f0900 issue, similar as

  1. Missing or corrupted files
  2. Malfunctioned services
  3. Configuration issues, and
  4. Other problems  prompting the error

[KB9199290]-Solutions to resolve the Windows 10 Update Error 0x800f0900

Run Windows Update Troubleshooter

  1. Firstly, open the troubleshoot option in the Windows search box
  2. After that, click Troubleshoot settings and select the Additional troubleshooter’s option

windows troubleshoot to fix Error 0x800f0900

  1. Next, click on Windows Update and also press the button Run the troubleshooter

Windows troubleshoot to fix Error 0x800f0900

Run System file Checker(SFC) checkup to fix windows update error 0x800f0900

  1. Open and select Command Prompt Run as administrator
  2. After that, type SFC/ Scan now command and press Enter key

SFC Scan to fix Error 0x800f0900

  1. Let the command complete and then reboot the machine

If SFC scan fails, fallow these steps

  1. Open the Windows PowerShell and select Run as administrator
  2. After that, type the following commands and press Enter key
  3. Repair-Windows Image -Online -Restore Health

Error 0x800f0900

4.Let the command complete, restart your system

Reset Windows Update factors

  1. Firstly, open Command Prompt and Run as administrator
  2. After that, type following commands one- by- one followed by Enter key
    1. net stop wuauserv
    2. net stop cryptSvc
    3. net stop bits
    4. net stop msiserver

Error 0x800f0900

Reset the Software distribution folder to fix error Code 0x800f0900 

  1. Firstly, open Command Prompt and Run as director
  2. After that, type following commands one- by- one followed by Enter key
    1. Ren C Windows Software Distribution Software Distribution. old
    2. Ren C Windows System32 catroot2Catroot2.old

Perform clean boot on your PC

  1. Subscribe in to the computer as an administrator
  2. In the search box, type Msconfig and select System Configuration from the list of results
  3. On the Services tab of System Configuration, select all Microsoft services, and also select Disable all

Error 0x800f0900

4.After that, elect Open Task Manager

5.On the Startup tab in Task Manager, select the item and also select Disable

6.Close Task Manager

Finally, follow the below explained steps and restart your system services will ideally resume your updates to work. However, we suggest you to chat with our experts, If you still need help to resolve this windows update error code 0x800f0900. I’m sure they will help you resolve this Windows 10 Update 20H2 Error 0x800f0900 issue completely. You can also visit our website for more details and information.

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