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Fix Windows Update Failures and Errors

Resolve Windows Update stuck, failed installations, error codes, feature update failures, and update rollback issues. Covers Windows 10 and 11 cumulative, quality, and feature updates.

Windows Update is essential for security patches, bug fixes, and new features — but it frequently breaks. Updates can get stuck downloading, fail to install with cryptic error codes, cause boot loops, or slow down your PC after installation. The root cause is usually a corrupted update cache, damaged component store, or conflicting software. This hub covers every update-related troubleshooting guide, related error codes, and automated repair tools. If Windows Update is giving you trouble, start here.

139

Fix Guides

Automated Repairs

Error Codes

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Troubleshooting Guides

In-depth guides with symptoms, causes, and step-by-step solutions for each problem.

Automated One-Click Repairs

These automated repairs fix the most common problems in this category with a single click.

Reset Windows Update

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Repair System Files

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Related Error Codes

Common Windows error codes associated with this topic. Click any code for a detailed fix guide.

0x80070005

ACCESS_DENIED

0x80070002

FILE_NOT_FOUND

0x80073712

COMPONENT_STORE_CORRUPT

0x800F081F

SOURCE_MISSING

0x80240034

DOWNLOAD_FAILED

0x80070643

FATAL_ERROR_DURING_INSTALLATION

SERVICE_DISABLED

FILE_CORRUPT

ELEMENT_NOT_FOUND

SERVER_EXEC_FAILURE

INSTALLERS_FAILED

Browse all 160+ error codes →

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Troubleshooting Guides

Windows Update Errors

Windows Update Stuck

Windows Update Failed to Install

Windows Slow After Update

Windows 11 Upgrade Failed

How to Undo a Bad Windows Update

Update Error 0x80070002

Update Error 0x80080005

Feature Update Stuck or Failing

Update Stuck at 0% Downloading

Update History Missing

Update Pending Restart Loop

Component Store Corruption

Error 0x80004005 Unspecified

Update Error 0x800F0922

Update Error 0x80070490

Update Error 0x80240034

Update Error 0x8024001E

Error 0x80070032 Request Not Supported

Store Error 0x80073CF9

Delivery Optimization Issues

Error 0x80131500 Store / .NET

Error 0x80070570 File Corrupted

Error 0x80073D21 Install Location

Error 0x80070643 .NET / Update

Error 0x80244022 Update Server

Error 0x80072F8F SSL/TLS

Error 0x80190001 Update / Activation

Error 0x80096004 Certificate

Error 0x80073CFE App Move

Error 0x80080005 Server Execution

Error 0x800F0831 Delta Package

Error 0x80242016 Update Handler

Error 0x80072EE7 Server Not Resolved

Error 0x80073CF0 Store Package

Error 0x80070491 Component Not Found

Error 0x80070BC9 Policy Conflict

Error 0x80070422 Service Not Running

Error 0x80070652 Install In Progress

Error 0x80073D02 Package In Use

Error 0x8024001F Update Internal

Error 0x800F0923 Incompatible Driver

Error 0x80073701 Assembly Missing

Error 0x80070644 Installer Service

Error 0x80248007 Package Not Found

Error 0x80070492 Element Not Found

Error 0x80073CFB Store App Update

Error 0x80040111 ClassFactory

Error 0x80070645 Installer Service

Error 0x80070489 Element Not Found

Error 0x80244018 HTTP 403

Error 0x80070659 Installer Patch

Error 0x80070483 Store Service

Error 0x80073D05 Package Dependency

Error 0x80070660 Installer Version

Error 0x80070493 CBS Component Store

Error 0x80070661 Architecture Mismatch

Error 0x80070484 Service Registration

Error 0x80073D06 Package Version Conflict

Error 0x80070494 Group Policy Service

Error 0x80070662 Installer Version Mismatch

Error 0x80073D07 Package Move Failed

Delivery Optimization Not Working

Error 0x80070495 Servicing Stack

Error 0x80070663 Patch Application Failure

Error 0x80073D08 Framework Dependency

Error 0x80070496 Update Catalog Corruption

Error 0x80070664 Installer Rollback Failure

Error 0x80070487 Invalid Address

Error 0x80073D09 Package Blocked by Policy

Error 0x80070497 Update Component Pending

Error 0x80070665 Installer Transaction Failure

Error 0x80070488 Invalid Handle

Error 0x80073D0A Firewall Blocked Deployment

Error 0x80070498 Update Extended Error

Error 0x80070666 Installer Instance Conflict

Error 0x8007048A Security Policy Validation

Error 0x80073D0B Package In Use