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Why Windows 11 still won't let you name a file CON, and Microsoft's explanation goes back to MS-DOS
Winsage
October 19, 2026

Why Windows 11 still won’t let you name a file CON, and Microsoft’s explanation goes back to MS-DOS

In Windows 11, certain names such as CON, PRN, AUX, and NUL are reserved as they correspond to specific devices, preventing users from naming folders with these terms. These reserved names date back to DOS 1.0, where folders did not exist. The names have specific functions: CON refers to the console, PRN to the printer, AUX to an auxiliary device, and NUL to a null device that discards output. Attempts to rename a folder to any of these names result in an error message indicating the device name is invalid. Adding extensions to these names does not bypass the restriction, as names like NUL.txt are still treated as equivalent to NUL. Despite some changes in Windows 11, the prohibition against using these reserved names for files or folders remains in place due to legacy compatibility concerns.
Why Windows 11 still ships with Windows 95’s memory manager hidden inside it
Winsage
October 19, 2026

Why Windows 11 still ships with Windows 95’s memory manager hidden inside it

Windows 11 includes a compatibility feature called EmulateHeap, which allows legacy applications to access Windows 95’s memory management system. This feature is present in the Windows 11 26H2 version and enables users to run older applications that depend on the original memory manager. Microsoft modified Windows 95's memory management specifically for the game SimCity, creating a workaround that prevented memory from being freed immediately. EmulateHeap was developed to address compatibility issues for various applications that relied on Windows 95's memory management quirks. It works by redirecting an application’s heap calls to mimic the behavior of Windows 95. EmulateHeap is part of the Compatibility Administrator tool within the Windows Assessment and Deployment Kit (ADK), which supports Windows 11 26H2. Users can locate EmulateHeap in the Compatibility Administrator by creating a new database and searching for compatibility fixes. Despite this support, some users have reported issues with certain games after updates. Microsoft continues to support Windows 95’s heap manager for select older applications but has discontinued support for others, like 3D Pinball, due to technical limitations.
Microsoft should be proud of Surface Laptop Ultra, but is Windows 11 a selling point or a roadblock for its premier PC?
Winsage
October 18, 2026

Microsoft should be proud of Surface Laptop Ultra, but is Windows 11 a selling point or a roadblock for its premier PC?

Microsoft has unveiled the Surface Laptop Ultra, showcasing its features during a presentation led by CEO Satya Nadella and other key figures. This device is part of the first wave of RTX Spark laptops aimed at creators seeking enhanced AI capabilities. Reviewers have compared it favorably to Apple’s MacBook Pro, highlighting Microsoft's intent to compete in the high-performance laptop market. Microsoft has also announced significant improvements to Windows 11, including an upgraded search experience and faster File Explorer, while promoting the value of modern Windows 11 PCs. The Surface Laptop Ultra is described as the most powerful Surface device in years, with a focus on attracting developers who typically use Macs.
Windows 11’s last Secure Boot deadline hits Monday, Microsoft reveals what happens to your PC
Winsage
October 18, 2026

Windows 11’s last Secure Boot deadline hits Monday, Microsoft reveals what happens to your PC

Microsoft Windows Production PCA 2011, the certificate for signing the Windows boot loader, will expire on October 19, 2026. This follows the earlier expiration of two other 2011 certificates in June 2026. PCs without the new certificates will still boot and receive standard updates but will miss out on new security enhancements for the early boot process. The new certificates from 2023 are replacing the 2011 certificates. The KEK certificate, essential for authorizing updates to signature databases, and the Microsoft UEFI CA 2011, which signs third-party boot loaders, will also be replaced by new certificates. Users can check their Secure Boot status through the System Information tool or Windows Security. Microsoft is gradually rolling out the new Secure Boot certificates through Windows Update, and users are advised not to disable Secure Boot to avoid complications. Dell will not issue BIOS updates for platforms that reached their end of service life before January 1, 2026. The transition to Secure Boot has faced challenges for older PCs, and developers are advised against pinning Secure Boot certificates in their applications. Multiple restarts may be required for full integration of the new certificates.
Microsoft Wants to Protect Your Linux Desktop with Defender
Tech Optimizer
October 17, 2026

Microsoft Wants to Protect Your Linux Desktop with Defender

Microsoft has expanded its Defender security software to Linux desktop environments, currently in public preview. Microsoft Defender for Endpoint is designed for organizations using Linux workstations and aims to enhance security for developers who interact with sensitive resources. Key features include real-time antivirus protection, endpoint detection and response, threat investigation, vulnerability management, and centralized security monitoring. The software uses the same deployment packages and installation methods as those for Linux servers, supporting distributions like Ubuntu LTS, Debian, Fedora, Red Hat Enterprise Linux, openSUSE Leap, SUSE Linux Enterprise, Rocky Linux, and AlmaLinux. Compatibility with desktop environments is based on the underlying distribution and kernel. The software identifies devices by assessing operating system metadata, and if it cannot classify a machine as a workstation, it defaults to identifying it as a server. This development follows the introduction of Defender for Linux servers in 2020. Organizations need a Microsoft Defender for Endpoint subscription and must meet Linux system requirements to use the software.
Microsoft is killing a pointless extra process that slows Windows 11 app launches, but you can't force enable it yet
Winsage
October 17, 2026

Microsoft is killing a pointless extra process that slows Windows 11 app launches, but you can’t force enable it yet

Windows 11 has introduced an "accelerated app launch" feature, initially benefiting Microsoft Edge. This feature allows Windows to open Edge more quickly by routing requests directly to the existing instance of the app instead of starting a new temporary process. The update, KB5127936, was rolled out to Windows Insiders on October 16, 2026, and is part of updates for Windows 11 25H2 and 26H2. The enhancement primarily improves the launch speed of Edge when it is already running in the background, particularly benefiting warm launches. Testing showed that Edge launched faster when other applications were active post-update. Microsoft aims to extend this feature to other single-instance applications, but it requires developers to meet specific prerequisites and request access to certain APIs. The accelerated launch feature is expected to be available as an optional update around November 10, 2026.
“C’mon, man”: Former Windows boss calls Windows 11’s taskbar unusable, as Windows 11 26H2 fails to bring back Windows 10-like features
Winsage
October 17, 2026

“C’mon, man”: Former Windows boss calls Windows 11’s taskbar unusable, as Windows 11 26H2 fails to bring back Windows 10-like features

Mikhail Parakhin, the former head of Windows and Bing at Microsoft, criticized the Windows 11 taskbar as "unusable," particularly after the 26H2 update, which did not restore the ability to auto-hide the taskbar when positioned at the top or sides. He expressed disappointment over the lack of features he advocated for, such as a movable taskbar with auto-hide functionality, which he believes is optimal for productivity. The September 2026 Patch Tuesday update allowed users to move and resize the taskbar, but auto-hide is still not available for non-bottom placements. Users must navigate through Windows Settings to adjust the taskbar, unlike the drag-and-drop feature in Windows 10. Additionally, the right-click menu in Windows 11 is limited compared to Windows 10, lacking options to lock or unlock the taskbar. Parakhin, now the CTO at Shopify, continues to use Windows for work and has noted that users may have to wait months for Windows 11 to fully integrate functionalities from Windows 10.
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