Here's a summary of the situation with Windows 11 update KB5063060 based on your source and additional findings:
What’s Happening?
The June 2025 cumulative update for Windows 11 (KB5063060), meant to fix previous gaming crashes (especially with Easy Anti-Cheat), is itself causing significant problems for some users.
Installation of KB5063060 fails for many, throwing error codes like 0x800f0922, 0x80070002, 0x80070306, and 0x800f0991. Sometimes, the update gets stuck at 100% and the system won’t boot.
For others, even if the update installs, new issues arise: system freezes/crashes during gaming, external monitors showing purple-green colors over HDMI (fixed by uninstalling the update), repeated Bluetooth device reconnections and duplicates, and network instability.
Microsoft recommends uninstalling the update if issues appear. Users can try downloading the update manually from the Microsoft Update Catalog or wait for a future fix.
Most users do NOT encounter these problems, but enough do to cause community concern.
Extra Details From Community and Forums:
KB5063060 is called “one of the most problematic updates in recent memory” with no official fix or full acknowledgement from Microsoft at the time of the reports.
The update tends to fail especially on Windows 11 24H2 systems.
Known workarounds include:
Uninstalling KB5063060 if bugs appear (via Update History > Uninstall Updates).
Manually downloading and installing the update from the Microsoft Update Catalog.
Rolling back to a previous system restore point if your PC won’t boot.
Waiting for further updates or hotfixes from Microsoft.
Additional side effects reported: taskbar freezes (especially after sleep), and some users experience repeated restarts (boot loops).
If You’re Affected:
Uninstall KB5063060 via Settings > Windows Update > Update History > Uninstall Updates.
Report issues to Microsoft via Feedback Hub to help prioritize a fix.
If stuck in a boot loop, use Windows Recovery Environment (WinRE) to roll back or repair.
Monitor the Microsoft and community forums for updates and new patches.
If your update is successful and you see no bugs, no action is required.