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Windows security

A Windows user hesitating to open a file due to the "Unknown Publisher" warning message.

2025-07-19

The Publisher Could Not Be Verified”: What It Means and How to Safely Proceed in Windows

If you’ve ever seen a warning that says “The publisher could not be verified” when opening a file or instal […]

Illustration showing how to scan a Windows PC for viruses using Microsoft Defender. A computer screen displays a shield icon, a magnifying glass, a virus warning sign, and the words "Quick scan".

2025-07-15

Beginner’s Guide to Microsoft Defender: Scan Your PC and Stay Safe (2025 Edition)

Worried about viruses on your Windows PC? Don’t worry — your computer already comes with a free, built-in antivirus tool call […]

Windows vulnerabilities fixed in July 2025: 130 total issues resolved, including 41 RCE and 53 EoP.

2025-07-12

Microsoft Patch Tuesday – July 2025: 130 Vulnerabilities Fixed Including 41 RCEs and 53 EoPs

Microsoft’s Patch Tuesday for July 2025 brings a substantial set of updates, addressing 130 security vulnerabilities (CVEs) a […]

A digital graphic showing a blue Microsoft alert window with a white shield icon and the text "Suspicious sign-in". On the right, bold white text reads "Microsoft Suspicious Sign-In Alert: What to Do Next", against a dark blue gradient background.

2025-08-06

Microsoft Suspicious Sign-In Alert: What to Do Next (Step-by-Step Guide)

Why Did You Receive a Suspicious Sign-In Alert from Microsoft? If you’ve recently received an email or notification from Micr […]