Windows Update KB5120998 Resets Desktop Settings

Microsoft has acknowledged that the KB5120998 August 2026 preview update for Windows is causing desktop settings to be lost or reset on certain devices. This issue was confirmed by Microsoft in a statement, indicating that the company is aware of the problem affecting users. The KB5120998 update is a preview release, typically made available to users who opt-in to receive early access to Windows updates. Preview updates are often used by Microsoft to test upcoming features and bug fixes before their wider rollout to the general public. However, they can sometimes introduce unexpected issues, as is the case with this particular update.

The specific nature of the desktop settings being reset has not been fully detailed by Microsoft, but it is understood to encompass various user customizations. These could include wallpaper choices, icon arrangements, taskbar configurations, and other personalization elements that users typically set to enhance their computing experience. The loss of these settings can be a significant inconvenience, requiring users to reconfigure their desktops manually. Microsoft's confirmation suggests that the problem is not isolated to a single user or a small group, but rather affects a segment of devices that have installed the update.

While Microsoft has confirmed the issue, details regarding a permanent fix or a timeline for its release have not yet been provided. Users who have encountered this problem are advised to monitor Microsoft's official support channels for further information and guidance. In the interim, some users might consider uninstalling the KB5120998 update to prevent further loss of settings, though this action should be taken with caution, and users should back up any critical data before making system changes. The company's commitment to addressing the problem indicates that a resolution is likely to be issued in a subsequent update. This incident highlights the potential risks associated with installing preview updates, which, while offering early access to new features, can also carry a higher risk of encountering bugs or system instability. Microsoft's ongoing efforts to maintain the stability and user experience of its Windows operating system are underscored by its prompt acknowledgment of this desktop settings issue.