Forum Discussion
Unable to Install Cumulative Update (KB5020035)
Been using Windows 11 for months on a new Lenovo Legion. Suddenly dealing with several problems starting last night: 1. Attempts to install Cumulative Update (KB5020035) result in Install error -...
Hi
https://answers.microsoft.com/en-us/windows/forum/all/error-0x800f0988/cddbd7c4-7bfa-4128-87d1-5712477faf4e
Please check out the steps from this discussion, but unfortunately you may need to reinstall Windows, but this is the last step to fix it 🙂