Code 800F0900

In windows update, I cannot search for updates. I keep getting unknown error code 800F0900. What do i do?
Question Info

Last updated July 19, 2018 Views 5,975 Applies to:

The error code 0x800f0900 represents an unexpected internal XML parser error (CBS_E_XML_PARSER_FAILURE.)

Run the System Update Readiness tool (Checksur.exe)

Download and run the System Update Readiness tool (Checksur.exe). After you download this tool, it runs a one-time scan for inconsistencies that might prevent future servicing operations.

For more information about how to download and run the System Update Readiness tool, click the following article number to view the article in the Microsoft Knowledge Base:

947821 Description of the System Update Readiness Tool for Windows Vista and for Windows Server 2008


TaurArian [MVP] 2005-2010 - Update Services
No warranties or guarantees.
MVP 1st July 2005- 30th June 2016
WIMVP 1st July 2016- 30th June 2017

11 people were helped by this reply


Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.