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Windows fixes, malware removal, email spam, and software troubleshooting.

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How to Stop onmicrosoft.com Spam (2026 Guide)

Stop onmicrosoft.com spam with a layered approach: block the domain in Outlook, create Exchange transport rules for silent deletion, enable Microsoft Defender for Office 365 safe links/attachments, configure SPF/DKIM/DMARC, and report every spam message to Microsoft. This 2026 guide walks you through each step with screenshots, pro tips, and common pitfalls to avoid.

10 min read · Jun 28, 2023

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Software & Security

Can a Trojan Work Without Internet? (2026 Guide)

Trojans can operate extensively without internet—logging keystrokes, capturing screens, encrypting files, and modifying systems. Internet is only needed for data exfiltration and remote commands. This 2026 guide explains offline vs. online capabilities, air-gap risks, and practical defense strategies. 10 min read · Jun 03, 2023 Software & Security

Why Is My ZIP File the Same Size? (Compression Explained)

ZIP files often fail to shrink because the contents are already compressed (JPEG, MP4, PDF, etc.) or lack redundancy. This guide explains the mechanics, common mistakes, and better alternatives like 7z or media re-encoding to actually reduce file size in 2026. 11 min read · Mar 03, 2023