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
3,350 tutorials · page 48
After a Windows 11 update or security patch, you may see “Something went wrong and your PIN isn’t available” on the sign-in screen. Your PIN, and sometimes Windows Hello fingerprint…
When Windows Update sits on “Checking for updates” and never finishes, your PC cannot install security patches on Windows 10 or Windows 11. The usual cause is corrupted temporary update…
WinRE (the Windows Recovery Environment) is a built-in repair tool that opens outside your normal desktop, so you can fix a PC that won’t start. The Recovery Mode Command Prompt…
A clean install of Windows 11 wipes your hard drive and installs a fresh copy of the operating system from a USB drive. A standard PC reset keeps your files…
Virtualization-based Security (VBS) in Windows 11 creates a secure, isolated area of system memory. It protects your computer from advanced malware and credential theft. VBS uses the hardware virtualization built…
Task Manager showing 100 percent disk usage means your hard drive or solid-state drive (SSD) has no spare capacity left, so everything that needs the disk has to wait in…
A Windows 11 blue screen after a graphics driver update means the new display software clashed with your system. Windows stopped the computer on purpose to protect your files and…
BitLocker is a built-in Windows security tool that locks the data on your drives so nobody can read your files without your password or recovery key. Encrypting a secondary internal…
Windows 11 compressed memory is a built-in feature that shrinks inactive data inside your RAM so your PC stays responsive when physical memory runs low. Instead of pushing background apps…
The Windows 11 update cache holds temporary installation files in the C:\Windows\SoftwareDistribution folder. It can grow to several gigabytes. When the files in it go bad, updates get stuck or…
A Windows 11 welcome screen freeze happens when the PC stops responding on the login page, usually right after you enter your PIN or password. The cause is usually a…
Windows 11 activation error code 0x803fa067 stops your operating system from verifying your digital license. The result is an “Activate Windows” watermark on your screen and greyed-out personalization settings. The…
Automatically added search index locations in Windows 11 are extra folders that the operating system tracks in the background so you can find files faster. Newer versions of Windows 11…
Moving the Windows 11 paging file to a secondary SSD frees up space on your main C: drive. It can also help when your physical memory runs low, as long…
Windows 11 Dynamic Lighting controls the colors and patterns on your gaming gear and accessories from the Settings app. It replaces the separate background app that each brand usually wants…
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