Practical security guide

Tips & Tricks

Step-by-step fixes, scam checks, Windows cleanup, browser safety, and simple security habits for real problems people run into every day.

Updated guide index
What is Trojan:Win64/Zusy.CZ!MTB?

Start here · Jul 19, 2026 · 6 min read

Trojan:Win64/Zusy.CZ!MTB

Trojan:Win64/Zusy.CZ!MTB is a detection of Microsoft Defender that can flag several different types of malware. Being a heuristic detection, it can as well be a false positive, with no real threat to the system.…

Latest practical guides

02

Guide · Jun 14, 2026 · 7 min read

WerFault.exe Application Error Fix

WerFault.exe application error usually means another app or driver is crashing. Check the Microsoft path, find the faulting app, repair Windows, and scan suspicious…

04

Guide · Jul 19, 2026 · 7 min read

PUABundler:Win32/DriverPack

PUABundler:Win32/DriverPack is potentially unwanted software that claims to install or update drivers. In fact, it floods the system with unwanted software and changes browser…

05

Guide · Jul 19, 2026 · 3 min read

AMD Ryzen CPUs Slowed Down by Windows 11 Bug

Recent release of the AMD Ryzen 9000 CPU lineup created quite a fuss around the new processors having lackluster performance uplifts from previous generations.…

AI Assistant

Hello! 👋 How can I help you today?