Learn how to fix Windows update error 0x80070005 (Access Denied) in Windows 11 and Windows 10

Windows Update Error 0x80070005, commonly known as the “Access Denied” error, is one of the most frustrating problems Windows users encounter. This issue prevents Windows Update from downloading or installing important security patches, feature updates, and cumulative updates.

If you’re seeing messages such as:

• Error 0x80070005
• Access Denied
• Windows Update Failed
• We couldn’t complete the updates
• Installation failed

this guide will help you fix the problem and restore Windows Update functionality.

What Is Windows Update Error 0x80070005?

Error 0x80070005 usually indicates that Windows does not have the required permissions to access files, folders, or registry entries needed during the update process.

In simple terms, Windows Update attempts to modify system files but receives an “Access Denied” response.

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Common Causes of Error 0x80070005

Cause	Description
Corrupted System Files	Damaged Windows components
Incorrect Permissions	Windows Update lacks access rights
Third-Party Antivirus	Security software blocks updates
Corrupted Update Cache	Damaged update files
Registry Problems	Incorrect Windows settings
Malware Infection	Malicious software interferes with updates

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Quick Fix Checklist

Before trying advanced solutions:

✅ Restart your computer

✅ Disable third-party antivirus temporarily

✅ Check internet connection

✅ Ensure you’re signed in as Administrator

✅ Verify you have sufficient disk space

If the error remains, continue with the solutions below.

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Method 1: Run the Windows Update Troubleshooter

Windows includes a built-in repair tool designed specifically for update issues.

Steps

1. Open Settings
2. Navigate to System → Troubleshoot
3. Click Other Troubleshooters
4. Find Windows Update
5. Click Run

The troubleshooter can automatically detect:

• Permission problems
• Corrupted update components
• Missing update services
• Common Windows Update errors

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Method 2: Repair Corrupted System Files Using SFC

Damaged Windows files frequently cause Error 0x80070005.

Open Command Prompt as Administrator and run:

Command

What This Command Does

Function	Purpose
Scan	Checks all protected system files
Detect	Finds corruption
Repair	Replaces damaged files automatically

Wait for the scan to complete before restarting your PC.

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Method 3: Repair Windows Components Using DISM

If SFC cannot repair all files, use Microsoft’s DISM utility.

Run the following commands one by one:

Check Health

Scan Health

Restore Health

Why DISM Helps

DISM repairs the Windows Component Store, which is used by Windows Update to install updates correctly.

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Method 4: Reset Windows Update Components

Corrupted update components are among the most common causes of Error 0x80070005.

Stop update services:

Rename update folders:

Restart services:

Restart Windows afterward.

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Method 5: Check Folder Permissions

Since Error 0x80070005 is directly related to permissions, checking access rights can often solve the issue.

Verify Access To:

Folder
C:\Windows
C:\Windows\SoftwareDistribution
C:\ProgramData

Ensure the SYSTEM account and Administrators group have Full Control permissions.

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Method 6: Temporarily Disable Antivirus Software

Many third-party antivirus programs aggressively monitor Windows Update activity.

Programs known to occasionally interfere include:

• Avast
• AVG
• Bitdefender
• Norton
• McAfee

Disable protection temporarily and retry the update.

If the update succeeds, add Windows Update exclusions inside your antivirus software.

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Method 7: Scan for Malware

Malware can modify Windows permissions and block updates.

Run:

• Microsoft Defender Full Scan
• Microsoft Defender Offline Scan
• Malwarebytes Scan

Removing infections often resolves permission-related update failures.

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Method 8: Install Updates Manually

If Windows Update continues to fail:

1. Open Update History
2. Note the KB number
3. Visit Microsoft Update Catalog
4. Search the KB number
5. Download the correct update
6. Install manually

This bypasses the Windows Update service entirely.

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How to Prevent Error 0x80070005

Following good maintenance practices reduces update problems.

Recommendation	Benefit
Keep Windows Updated	Fewer cumulative update issues
Run SFC Monthly	Detect corruption early
Avoid Forced Shutdowns	Prevent file damage
Maintain Free Disk Space	Ensure updates install correctly
Use Trusted Antivirus Software	Reduce software conflicts

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Frequently Asked Questions

Is Error 0x80070005 Dangerous?

No. It is typically a permissions-related issue and does not indicate hardware failure.

Can Malware Cause Error 0x80070005?

Yes. Malware can alter Windows permissions and block update access.

Does Resetting Windows Fix Error 0x80070005?

Usually yes, but resetting Windows should only be considered after trying the solutions above.