Microsoft has rolled out Windows 10 Build 19045.5674 to the Release Preview Channel, enhancing the 22H2 version. Key updates include the introduction of Noto CJK fonts, improved mobile operator profiles, and fixes for thumbnail crashes in File Explorer. Additionally, system processes can now securely store temporary files, enhancing security.

Windows 10 Build 19045.5674: What’s New?
Exciting news for Windows Insiders! On March 13, 2025, Microsoft released Windows 10 Build 19045.5674 to the Release Preview Channel. This update focuses on enhancing user experience and fixing bugs. Let’s dive into the key features and improvements!
Major Updates in This Release
The latest build introduces several noteworthy changes. For instance, the inclusion of Noto Fonts enhances text rendering for Chinese, Japanese, and Korean languages. This is a significant step towards making Windows more inclusive.
Additionally, the update improves Mobile Operator Profiles. The Country and Operator Settings Asset (COSA) profiles have been refreshed, ensuring better connectivity and service for users.
Bug Fixes That Matter
Microsoft has also addressed some pesky bugs. For example, users will be pleased to know that thumbnails in File Explorer no longer crash, which means a smoother browsing experience. No more frustrating white pages!
Another crucial fix involves temporary files. The update allows system processes to store these files securely in “C:\Windows\SystemTemp.” This change reduces the risk of unauthorized access, enhancing overall security.
Moreover, Remote Desktop sessions are now more reliable. Certain troubleshooting tools that previously failed to run should now function correctly. This improvement is vital for users who rely on Remote Desktop for work.
Enhanced Search and Printer Functionality
Windows Search has also received a boost. The update introduces better support for web search providers in the European Economic Area (EEA). This enhancement increases discoverability and improves search efficiency.
Lastly, printer issues are addressed. Printers using Independent Hardware Vendor (IHV) drivers should now output the correct text, eliminating unwanted surprises.
“This update focuses on enhancing user experience and fixing bugs.”
What’s Important to Know
Overall, Windows 10 Build 19045.5674 brings essential updates that enhance functionality and security. It’s a step forward for users who value a seamless experience. If you’re part of the Windows Insider Program, be sure to check for this update!
“This is a significant step towards making Windows more inclusive.”
From the Windows Blog