Windows Error Codes

【2025 Guide】How to Fix Windows Error Code 0x80004005 (Unspecified Error)

Introduction Have you suddenly run into the error code 0x80004005 on your Windows PC? This cryptic message often appears as a […]

Seeing error code 0x80074101 on your Windows PC? You’re not alone. This error often pops up when certain apps or script […]

What Is Windows Update Error 0x8007371b? Causes and Fixes Are you encountering the Windows Update error code 0x8007371b? You& […]

KB50602554: A Crucial Reliability Update for Windows 10 Before End of Support On July 9, 2025, Microsoft released a new optio […]

※ While most modern computers use UEFI (the successor to BIOS), this article uses the term “BIOS” for simplicity […]

Have you recently noticed a strange warning in your Event Viewer after installing KB5060829? Or maybe your games started to a […]

This guide is written for beginners who are unsure about the cause of the error and want to fix it step by step. Have you eve […]

KB5060533 is a security update for Windows 11 that was distributed in June 2025. This update includes an important enhancemen […]

Fix Windows Update Error 0x800f0922 – Causes, Solutions, and Prevention Have you tried installing a Windows update, only to b […]

What Is Error 0x80040154 “Class Not Registered”? Error code 0x80040154, meaning “Class not registered”, occurs when Windows f […]