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KB5062663 Preview is out for Windows 11 versions 22H2 and 23H2

Microsoft has released optional cumulative update  KB5062663 (builds 22621.5699 and 22631.5699) for Windows 11 versions 22H2 and 23H2, which brings with it bug fixes and various improvements.

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Changes in KB5062663 Preview

Available to all users

Country and Operator Settings Asset (COSA)

  • Updated Country and Operator Settings Asset (COSA) profiles for some mobile operators.

File systems

  • Fixed an issue with Resilient File System (ReFS) where using applications to back up large files could sometimes cause all system memory to be exhausted.
  • Fixed an issue where searching for PDF files in a shared folder could return incorrect error messages such as "No More Files" or "STATUS_NO_MORE_FILES". These errors would disrupt output to a virtual PDF printer and interfere with backup processes.

Input

  • Fixed an issue with the Microsoft Changjie IME for Traditional Chinese that could cause words to fail to form or select, the space bar to not respond, words to be typed incorrectly, or the word suggestion window to not appear. This issue occurred after installing KB5062552.
  • Fixed an issue that affected phonetic input methods, including the Hindi and Marathi phonetic keyboards, which might not work correctly after installing the KB5062552 update.

Net

  • Fixed an issue where on some devices with an active cellular connection, peripherals might take longer to start up after resuming from hibernation.

Printers

  • Improved display of printer names when using IPP Directed Discovery, making them easier to identify during setup.

Stability

  • Fixed a rare issue that was observed by users after installing the May 2025 security update and later updates, which resulted in Windows stability issues. On some devices, the system would become unresponsive and hang in certain cases.

Taskbar

  • Fixed an issue where Ease of Access feature icons were not appearing on the taskbar.

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Author: Sergey Tkachenko

Sergey Tkachenko is a software developer who started Winaero back in 2011. On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. Follow him on Telegram, Twitter, and YouTube.

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