İçeriğe geç
tricknfixGAMING · TECHNOLOGIE · INFORMATIQUE
TR
Oluştur

Windows

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

"Extend Volume" greyed out in Disk Management: causes and solutions

You want to enlarge drive C: or another partition, for example after cloning Windows to a bigger SSD or shrinking another partition, but in Disk Management the Extend Volume option is greyed out. Windows only enlarges a volume under specific conditions: most of the time, the free space is simply not in the right place.

.NET Framework 3.5 installation fails on Windows 11: causes and solutions

An older program or game requires .NET Framework 3.5, and the installation fails: a "Windows couldn't complete the requested changes" window, error code 0x800F0906, 0x800F081F or 0x800F0907, or a checkbox missing from Windows features. Since Windows 11 26H1, Microsoft has changed how this component is installed: the ri

File cannot be deleted because it is open in another program: cause and solutions

You want to delete, rename or move a file, and Windows 11 refuses, saying it is open in a program? Windows protects a file as long as a process keeps it open: this is not a fault, but you need to identify that process. This guide offers a progression from the simplest to the most technical, with Microsoft's free tools

Wireless projection (Miracast) not working on Windows 11: causes and solutions

You want to show your Windows 11 PC screen on a TV, a projector or another PC without a cable, but the display does not appear in the list, the connection fails or Windows asks you to plug in a cable? This guide starts from what you observe to find the cause, following Microsoft's support pages. Windows wireless projec