● Covered by 1 source · 1 reportLow impact1 negative
Windows 11 August 27 preview update causes mouse cursor, wallpaper, and font issues
Key points
- August 27 Windows 11 preview update (KB5120998) affects mouse cursor settings.
- Personalized mouse cursors may appear incorrect or revert to default.
- Some users report black wallpaper and blurry fonts after the update.
- Microsoft is investigating the mouse cursor problem; uninstalling the update is the current fix.
Windows 11 Update Causes Cursor Glitches
An optional Windows 11 preview update, released on August 27 (KB5120998), is causing issues with personalized mouse cursor settings. Users who installed this update are experiencing their custom cursor configurations being wiped out or modified, leading to cursors appearing too large, too small, or not at all.
Microsoft Acknowledges Cursor Problem
Microsoft has acknowledged the mouse cursor problem on its Windows 11 known issues page, stating that personalization settings are changed or reverted to standard after the update. The company noted reports of "appearance regressions and intermittent animation changes," including high-DPI cursors being replaced with larger, white ones, and custom animations reverting to default. Attempts to restore previous customizations have been unsuccessful.
Additional Reported Issues
Beyond the mouse cursor, some users are reporting that the update is resetting their Windows wallpaper to a black screen and causing fonts to appear blurry on certain systems. While Microsoft has not yet acknowledged the wallpaper and font issues, the wallpaper complaints are appearing in Microsoft's Feedback Hub.
Update Type and Workaround
This problematic update is a preview version, meaning it is optional and not part of the mandatory monthly Patch Tuesday rollouts. It appears in Windows Update as ready for download. Microsoft is currently investigating the mouse cursor problem. The only available workaround for affected users is to uninstall the update.
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Primary sources
GitHub uuidjs/uuidReporting from
Microsoft's optional Windows 11 preview update (KB5120998), released on August 27, is causing personalized mouse cursor settings to reset or change, and some users report wallpaper and font problems. Microsoft is investigating the cursor issue, and the only current workaround is to uninstall the update.