How to

PHP2Shell on IIS: replace PHP with the 8.4.27 or 8.5.12 Non Thread Safe build, point the FastCGI handler at php-cgi.exe, restart IIS and verify the version.

PHP2Shell Debian fix: install php8.2 8.2.35-1~deb12u1 on bookworm (DLA-4848-1) or php8.4 8.4.27-1~deb13u1 on trixie (DSA-6574-1) with apt, then verify.

PHP2Shell on Ubuntu 22.04: install php8.1 package 8.1.2-1ubuntu2.28 from USN-8948-1 with apt, restart PHP-FPM or Apache, and confirm the fix is active.

PHP2Shell on Ubuntu 24.04: install php8.3 package 8.3.6-0ubuntu0.24.04.13 from USN-8948-1 with apt, restart Apache or PHP-FPM, and verify the fix.

Force quit frozen apps on Windows 11 and 10 with Task Manager, Alt + F4, taskkill or Stop-Process, plus what to do when Task Manager itself will not open.

Incorrect permissions on Windows Search directories in Windows 11? Rebuild the index, reset the Search data folder and restart the Windows Search service.

Open Local Security Policy on Windows 11 by pressing Win + R, typing secpol.msc and pressing Enter. Four methods, edition rules and fixes when it won’t open.

Find saved passwords on a Windows 11/10 computer in Edge, Chrome, Credential Manager and Wi-Fi settings, plus why some passwords will not show and how to stay safe.

Fix error code 0x0 in Windows: repair system files with DISM and SFC, fix Insider and upgrade 0x0 errors, clean boot, test RAM and restore the PC.

Back up iPhone to PC with the Apple Devices app: connect, open General, choose this computer, then Back Up Now. Where backups are stored and how to restore.

Force dark mode on websites in Microsoft Edge with a dark-mode extension, a Windows contrast theme, Windows dark mode or DevTools, and how to turn it off again.

Share photos with non-Apple ID users via iCloud: create a link-based Shared Album in iOS 27, or turn on Public Website in iOS 26, then send the link to anyone.