錯(cuò)誤0x80070005的解決方法包括：1. 運(yùn)行Windows更新疑難解答工具自動(dòng)修復(fù)問(wèn)題；2. 獲取SoftwareDistribution文件夾的所有權(quán)並重置權(quán)限；3. 以管理員身份運(yùn)行SFC和DISM命令修復(fù)系統(tǒng)文件；4. 臨時(shí)禁用第三方殺毒軟件；5. 檢查UAC設(shè)置並確保使用管理員賬戶；6. 手動(dòng)重置Windows更新組件服務(wù)並清除緩存文件夾，完成這些步驟後重啟電腦並重試更新，通?？山鉀Q該錯(cuò)誤。

Windows 10 update error 0x80070005 typically means "Access is denied." It's a common issue during Windows updates and often stems from permission problems, corrupted system files, or interference from third-party software. Here's how you can fix it step by step.

1. Run Windows Update Troubleshooter

Microsoft provides a built-in tool to automatically detect and fix common update issues.

• Go to Settings > Update & Security > Troubleshoot .
• Click on Additional troubleshooters .
• Select Windows Update and click Run the troubleshooter .
• Follow the on-screen instructions and apply any recommended fixes.

This tool often resolves permission or service-related issues behind error 0x80070005.

2. Take Ownership of the SoftwareDistribution Folder

The error can occur if Windows Update doesn't have proper access to its temporary files.

?? Warning : Editing system folders can be risky. Proceed carefully.

1. Press Win R , type services.msc , and press Enter.
2. Locate Windows Update , right-click it, and choose Stop .
3. Open File Explorer and go to:

    C:\Windows\SoftwareDistribution

4. Right-click the SoftwareDistribution folder > Properties > Security tab > Advanced .
5. Next to "Owner", click Change .
6. Type your username, click Check Names , then OK .
7. Check Replace owner on subcontainers and objects , then click Apply .
8. Go back to services and restart the Windows Update service.
9. Try updating again.

This gives your user account full control over update files.

3. Run System File Checker (SFC) and DISM

Corrupted system files can trigger access denied errors.

Step 1: Run SFC

• Open Command Prompt as Administrator .
• Type:

   sfc /scannow

• Wait for the scan to complete (can take 15–20 mins). If issues are found, it will attempt to fix them.

Step 2: Run DISM After SFC, run:

 DISM /Online /Cleanup-Image /RestoreHealth

This repairs the Windows image itself.

Restart your PC and try updating again.

4. Disable Antivirus or Third-Party Security Software Temporarily

Sometimes third-party antivirus programs block Windows Update processes.

• Temporarily disable your antivirus (eg, McAfee, Norton, Avast).
• Try running the update again.
• Re-enable the antivirus once the update completes.

If the update works, consider adjusting your antivirus settings or switching to Windows Defender.

5. Check User Account Control (UAC) and Permissions

Ensure your account has administrative privileges.

• Go to Control Panel > User Accounts > Change User Account Control settings .
• Make sure the slider is not set to the highest level (may block legitimate access).
• Confirm you're signed in as an Administrator :
  • Press Win R , type net user , and check if your account has "Admin" in the group list.

If not, enable the built-in Administrator account via Command Prompt (admin):

 net user administrator /active:yes

Then log in and try the update.

6. Reset Windows Update Components Manually

If the above doesn't work, reset the update components.

Open Command Prompt (Admin) and run these commands one by one:

 net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver

Then:

 ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old

Then:

 net start wuauserv
net start cryptSvc
net start bits
net start msiserver

This clears the update cache and resets key services.

Now try checking for updates again.

Final Notes

• Make sure your system clock and time zone are correct—incorrect time can cause authentication issues.
• If you're on a domain, contact your network administrator; group policies might restrict updates.

Most cases of 0x80070005 are resolved by resetting permissions or clearing the SoftwareDistribution folder. It's not complicated, but easy to miss a step.

Basically, start with the troubleshooter, then move to folder permissions and system scans. That covers 90% of cases.

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