Microsoft launched the Windows 11 2026 Update (version 26H2) on September 29, 2026, and its status page has stated since October 28, 2026 that it is available for all eligible devices. Yet Windows Update still does not offer it to you? This guide helps you find out why, starting from the version installed on your PC, a
The Microsoft certificates used by Secure Boot, issued in 2011, expire in 2026. Windows replaces them with 2023 certificates, normally automatically through Windows Update. Since April 2026, the Windows Security app shows where this update stands. If it says "Not yet updated", shows a yellow badge or a red icon, this g
The Windows Subsystem for Linux (WSL) lets you use a Linux distribution such as Ubuntu directly in Windows. With WSL 2, the distribution runs in a lightweight virtual machine. If a virtualization component is missing, the installation or the first launch stops with error 0x80370102, which Microsoft documents as: "The v
Windows Sandbox opens a disposable Windows desktop, isolated from the rest of the PC, which is handy for testing software or a suspicious file: when it closes, all of its content is deleted. It relies on Hyper-V virtualization. When a requirement is missing, the option is absent or greyed out in Windows features, or Sa
An older game, a media player or another program closes without warning on Windows 11, at launch or as soon as it plays sound? If the problem started in late September 2026, it may be a bug acknowledged by Microsoft, linked to the AC-3 (Dolby Digital) audio decoding built into Windows. Microsoft fixed it with the Octob
Support for Windows 10 ended on October 14, 2025. To keep receiving critical and important security updates, Microsoft offers consumers the ESU (Extended Security Updates) program, until October 12, 2027. Enrollment is done in Windows Update, but the "Enroll now" link only appears if the PC meets every requirement. Her
This guide covers a Windows 11 display language (menus, Settings, File Explorer) that refuses to change: language missing from the list, a licence message, a change that doesn't apply, or an interface partly left in the old language. According to Microsoft, the main causes are a single-language edition of Windows, a la