Windows Error Codes

English-language articles about common Windows error codes and troubleshooting methods. Each post provides step-by-step fixes, technical insights, and user-friendly solutions for both beginners and advanced users.

2025-11-13

Windows 11 KB5068861 (November 2025 Update): What It Is, What’s New, and How to Install It Safely

Have you just seen a Windows Update called: “2025-11 Security Update (KB5068861) (26200.7171)” and wondered: This guide walks […]

Windows 10 Out-of-Band update KB5071959 fixes ESU enrollment, shown on a laptop with Windows Update progress.

2025-11-12

Windows 10 KB5071959 (Out-of-Band): Fixes ESU Enrollment Errors You Might Be Facing (Nov 2025)

Introduction — why KB5071959 matters On November 11, 2025, Microsoft shipped KB5071959 as an Out-of-Band (OOB) update for Win […]

Illustration showing how to fix Windows Update error 0x80070003. A laptop with a warning icon is displayed beside four solution steps: Run Troubleshooter, Repair System Files, Reset Update Cache, and Use In-Place Repair. Compatible with Windows 10 and Windows 11.

2025-11-07

How to Fix Windows Update Error 0x80070003 (Windows 10 & 11)

Seeing error 0x80070003 during a Windows Update or an upgrade is frustrating. In plain English, the update engine can’t relia […]

Hero image for Windows Update error 0x80244007 on a blue gradient with a warning triangle, update circular arrow, and connectivity bars.

2025-10-29

Fixing Windows Update Error 0x80244007 on Windows 11/10 (2025 Guide)

Comprehensive Troubleshooting for Connectivity, Cache Corruption, and Proxy Issues Introduction Windows Update error 0x802440 […]

Blue gradient hero image for KB5070883 WSUS security update, featuring a server rack with a shield icon

2025-10-28

Fix KB5070883 Installation Failure on WSUS (Windows Server 2019) — Full Step-by-Step Guide

A new Windows Server update called KB5070883 was released out-of-band (outside the normal Patch Tuesday cycle). It fixes a cr […]

2025-10-27

How to Fix Windows Update Error 0x800705b9 on Windows 10/11 — Step-by-Step Guide

What is error 0x800705b9? You typically see “Install error – 0x800705b9” while applying a cumulative or preview update. Repor […]

Illustration showing Windows 11 KB5070773 update failing with error 0x800f0983 and repair icons symbolizing recovery actions.

2025-10-22

Fix Windows 11 Update KB5070773 Failing with Error 0x800f0983 (24H2 / 25H2)

Microsoft released KB5070773, an out-of-band (OOB) emergency update for Windows 11 (versions 24H2 and 25H2).The update aims t […]

Windows 11 update shows error 0x800700c1 with a warning triangle and a Retry button; user looking puzzled, gears icon in the background.

2025-10-19

Windows 11 25H2 Update Fails with Error 0x800700c1? Here’s How to Fix It (KB5066835)

What this error means (and who’s affected) 0x800700c1 typically appears when Windows Update downloads successfully but fails […]

Windows 11 update shows error 0x80240069; user hesitates at the Retry button; warning icon and gears as visual metaphor.

2025-10-18

Windows 11 25H2 Error 0x80240069: Causes and Step-by-Step Fix (KB5066835)

What is 0x80240069? It signals that Windows Update couldn’t proceed due to update component inconsistencies: broken caches, s […]

2025-10-17

How to Fix KB5064403 Installation Error on Windows 11 (22H2 / 23H2)

TL;DR: KB5064403 is a cumulative update for .NET Framework 3.5 / 4.8.1 on Windows 11 22H2/23H2. If it keeps failing to instal […]