Tech Writer, IT Professional
Richard is a writer at Geek Rewind who turns complex IT tasks into clear, step-by-step guides. He draws on years of hands-on experience in system administration and enterprise IT operations, focusing on Windows, Linux and WordPress: the problems people actually run into, and the fixes that work. His server and WordPress guides come from systems he runs himself. Richard builds and maintains the platform behind Geek Rewind, from its Ubuntu servers and Nginx configuration to its custom WordPress plugins. Many new tutorials start with readers' questions, and he's always glad to answer them in the comments.
Writes about: Windows 11, Ubuntu Linux, CMS, Apps and Browsers
3,272 tutorials · page 28
A vanishing Windows 11 taskbar happens when stuck app notifications trick the system into hiding the bar, or when the graphical shell glitches out. The taskbar is the strip at…
Windows 11 asking for a PIN after every reboot usually happens because the system security files inside your computer are broken or corrupted. This frustrating glitch forces you to type…
Smart App Control in Windows 11 version 22H2 or newer is a built-in security shield that blocks apps and scripts flagged as unsafe or unknown. It runs in the background…
PIN login failures in Windows 11 happen when changing your sign-in numbers leaves behind broken security data in the Ngc folder, which blocks Windows Hello from checking your new code.…
Startup apps in Windows 11 are programs that launch automatically the moment you turn on your computer, often slowing down your boot time and draining memory in the background. Task…
Windows 11 Credential Guard is a built-in security feature that protects your saved passwords and login details from advanced malware by isolating them in a hidden memory vault. Standard Windows…
A Windows 11 PIN is a short code—usually 4 or more numbers—that lets you log into your PC quickly instead of typing your full Microsoft account password. Choosing a PIN…
Core Isolation uses hardware virtualization (a technology that lets your computer run a virtual system within your actual hardware) to protect low-level system processes from malicious software on Windows 11.…
Core Isolation in Windows 11 and 10 is a hardware-based security feature that acts like a virtual vault in your computer memory to keep core system processes safe from everyday…
Windows 11 PIN sign-in issues happen when a system update corrupts your login files, leaving you locked out with an error message. This frustrating bug often appears right after installing…
A Windows 11 boot loop traps your PC in an endless restart cycle instead of opening the desktop. This startup failure frequently happens right after you turn on Secure Boot,…
A Windows 11 black screen after login is a display failure that happens when your PC boots up, accepts your password, but fails to load the desktop and taskbar, leaving…
A Windows update stuck at 0 percent means the background service handling system downloads has stopped working. This freezing issue happens frequently on Windows 10 and 11 PCs, but it…
The Windows 11 taskbar calendar flyout opens when you click the date and time in the bottom-right corner of your screen to show your schedule and notifications. When clicking the…
Sudden laptop battery drain after a Windows 11 update usually happens when new system files or background tasks force your processor to stay awake instead of resting. These updates can…
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