how to delete windows update (KB5074109)

Hello,

Microsoft has already released a new update to address the issue caused by kb5074109, so you don't have to uninstall it.

See if you have new update available, particularly KB5078127 

https://support.microsoft.com/en-us/topic/january-24-2026-kb5078127-os-builds-26200-7628-and-26100-7628-out-of-band-cf5777f6-bb4e-4adb-b9cd-2b64df577491

To delete a Windows update such as KB5074109, you can follow these steps:

1. Open Settings: Click on the Start menu and select Settings.
2. Go to Update & Security: Click on Update & Security.
3. View Update History: Click on View update history to see the list of installed updates.
4. Uninstall Updates: At the top of the page, click on Uninstall updates. This will open a new window showing all installed updates.
5. Select the Update: Find the update KB5074109 in the list, select it, and then click on the Uninstall button at the top of the window.
6. Confirm Uninstallation: Follow any prompts to confirm that you want to uninstall the update.

After the update is uninstalled, you may need to restart your computer for the changes to take effect.