League of Legends crashing, black screen or won’t launch on Windows 11? Riot’s official fixes: Failed to launch, restart loop, clean boot, laptop GPU
VALORANT won’t launch on Windows 11? Riot’s official fixes for Vanguard errors VAN 9005, VAN 9002 and VAN 9006 (TPM, Secure Boot, Memory Integrity)
VAN 9005, VAN 9002 or VAN 9006 blocking VALORANT on your PC? What each Riot Vanguard error means and Riot Games Support’s official steps: TPM 2.0, Secure Boot, Memory Integrity (VBS), Exploit Protection and Windows updates.
Windows 11 KB5132061 fails with 0x800f0993 or 0x800f0989: what is known and what to try (November 2026 update)
Windows 11 support dates (November 2026): 24H2 Home/Pro already ended, 23H2 Enterprise/Education ends November 10
As of October 13, 2026, Windows 11 version 24H2 Home and Pro no longer get monthly updates. Version 23H2 Enterprise and Education reach end of updates on November 10, 2026. Official Microsoft dates and how to move to 25H2 or 26H2.
Windows 11 Cloud rebuild — what it does, how to start it, and what Microsoft documents (KB5127936)
Preview KB5127936 (October 28, 2026) introduces Cloud rebuild (Rebuild PC): a full Windows 11 reinstall from Windows Update without USB media. Prerequisites, Remove vs sanitize, OneDrive notes, and documented limits — from Microsoft only.
"sudo" not recognized or disabled on Windows 11: causes and solutions
Sudo for Windows lets you run a command with administrator rights from a terminal opened normally, for example sudo netstat -ab. When the command does not behave as expected, the message shown almost always points to the cause: Windows too old, feature not turned on, feature blocked by a policy, or an unexpected run mo
Preview of downloaded files blocked in Windows 11 File Explorer: cause and solutions
File Explorer's preview pane no longer shows your downloaded PDFs, documents or HTML files, and instead says: "The file you are attempting to preview could harm your computer. If you trust the file and the source you received it from, open it to view its contents." This is neither a virus nor a bug: it is a protection
Copilot key instead of Right Ctrl on Windows 11: cause and solutions
On many laptops and keyboards released since 2024, the manufacturer replaced the Right Ctrl key (or sometimes the Context Menu key) with a Copilot key. As a result, your Right Ctrl shortcuts no longer work, and a screen reader that relied on that key becomes awkward to use. In 2026, Microsoft added a Windows 11 setting
Hyper-V missing or cannot be enabled on Windows 11: causes and solutions
Hyper-V is the hypervisor built into Windows: it lets you create virtual machines without extra software. Microsoft states that there is no Hyper-V download: it is an optional Windows feature, which only appears if the edition and the hardware allow it. When Hyper-V is missing from the list, greyed out, or Hyper-V Mana
"Microsoft has blocked macros from running" in Office: cause and solutions
You open an Excel, Word or PowerPoint file received by email or downloaded, and a red security risk banner says: "Microsoft has blocked macros from running because the source of this file is untrusted". This is not a fault: since 2022, Office on Windows blocks VBA macros in files from the Internet by default, because t
SSH connection fails with OpenSSH on Windows 11: causes and solutions
Windows 11 includes OpenSSH as an optional feature: the client (the ssh command) to connect to another machine, and the server (the sshd service) to accept incoming connections. When the connection fails, the cause is almost always one of four things: a missing component, a stopped service, a closed firewall, or a publ
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