Troubleshooting Guides
Step-by-step guides for common technical tasks and issues, written for users of all experience levels.
About These Guides
Each guide provides practical, tested instructions for solving specific technical problems or understanding computing concepts. Content is written to be accessible while providing enough depth to be useful for experienced users.
Guides include step-by-step instructions, common issues you might encounter, and answers to frequently asked questions. Where behaviour differs between operating systems, this is noted.
Security is a recurring theme across these guides. Staying safe online goes beyond careful file handling — following layered security best practices helps protect against the broader range of threats that target everyday users.
Available Guides
Safe Downloads and File Types
Learn how to identify safe file types, recognize potentially dangerous downloads, and protect your system from malware.
→ TechnicalMIME Types and File Extensions
Understanding how web servers and browsers use MIME types to identify file content and the relationship with file extensions.
→ SVGSVG vs PNG vs JPEG: Choosing the Right Graphic Format
When to use SVG, PNG, or JPEG for web graphics: a straightforward comparison of quality, file size, transparency, and scalability.
→ HEICHEIC vs JPEG: Apple's High-Efficiency Image Format Explained
Comparing HEIC and JPEG: file size, quality, compatibility, and when to use each image format.
→ AVIFWhat Is an AVIF File? How to Open and Convert AVIF Images
Everything you need to know about the AVIF image format: what it is, how to open AVIF files, and the best ways to convert them.
→ ImagesWebP vs AVIF vs JPEG: Best Image Formats for Web in 2026
A practical comparison of WebP, AVIF, and JPEG for performance, quality, browser support, and real-world website use.
→