Windows 11 Cursor Chaos Tied to Optional KB5120998 Update

TL;DR
Windows 11’s optional KB5120998 update (Build 26200.9278/26100.9278) is reportedly breaking mouse cursor customization (size/color and default schemes) and resetting wallpapers, with additional font issues; Microsoft says it’s investigating and notes the problem appears after installation, advising affected users to uninstall the update to restore cursor settings—the issue typically resolves upon removal and could be followed by a rollback or emergency fix.
- “We’re aware,” Microsoft on Windows 11 KB5120998 breaking the mouse cursor Windows Latest
- Windows 11 just revived one of its most missed features PCWorld
- Windows 11 version 26H2 enters final preview phase before general mass rollout begins Windows Central
- Microsoft Confirms Windows 11's KB5120998 Update is Breaking Mouse Cursors TechPowerUp
- Microsoft preps this year's Windows 11 feature tweaks: 26H2 hits Release Preview The Register
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