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Table of Contents
Check system permissions and account control settings
Reset Windows Update Components
Check network settings and proxy configuration
Check system file integrity
Home System Tutorial Windows Series How to fix '0x80004005' update/activation error?

How to fix '0x80004005' update/activation error?

Jul 29, 2025 am 03:56 AM

The error code "0x80004005" is usually caused by permission problems, system files corruption, network settings abnormal or service not running. Solutions include: 1. Ensure that you use the administrator account and enable UAC; 2. Run the program as an administrator; 3. Reset Windows Update components and related services; 4. Check and reset network settings and proxy configuration; 5. Run the sfc and DISM tools to repair system files; in most cases, checking in order can solve the problem.

How to fix \

This error code "0x80004005" is quite common in Windows systems, especially when updating or activating the system or installing software. It is a common COM error, which usually means permission problems, system files are corrupted, network settings are abnormal, or service is not running normally. Although the prompt information looks blurry, it can be solved in most cases through some conventional operations.

How to fix

Check system permissions and account control settings

Some operations require administrator permissions to complete. This problem may occur if the account you are currently using is not an administrator, or if the User Account Control (UAC) is closed.

  • Make sure you are logged in to the administrator account.
  • Open Control Panel → User Account → Check whether the account type is an administrator.
  • If UAC is disabled, it is recommended to enable it and try to re-execute the error operation.

Another small detail is: Sometimes, even if you are an administrator, some programs will trigger this type of error if they are not running as an administrator. Right-click the relevant program or command prompt and select "Run as administrator".

How to fix

Reset Windows Update Components

In many cases, the "0x80004005" error is related to the Windows Update service. You can try to manually reset the related services and cache:

  1. Open a command prompt (administrator)
  2. Enter the following commands in turn, and press Enter after each item:
 net stop wuauserv
net stop cryptSvc
net stop bits
net stop msserver
  1. Delete the update cache directory:
 rd /s /q %windir%\SoftwareDistribution
rd /s /q %windir%\System32\catroot2
  1. Start the service again:
 net start wuauserv
net start cryptSvc
net start bits
net start msserver

When done, try checking again for updates or activate the system to see if the problem is resolved.

How to fix

Check network settings and proxy configuration

If you use a proxy server or have problems with network settings, this error may also be caused, especially in an enterprise environment.

  • Run netsh winsock reset and netsh wininet reset in the command prompt to reset the network-related components.
  • Check the proxy settings of IE browser: Open Internet options → Connect → LAN settings to ensure that "Use proxy server for LAN" is not accidentally checked.
  • If you are on a corporate network, you may need to contact the IT department to confirm whether there are firewalls or policy restrictions.

Check system file integrity

Corruption of critical system files can also lead to such errors. You can use the system's own tools to fix:

  • Open a command prompt (administrator), enter:
 sfc /scannow

If you find a corrupt file but cannot be repaired, you can continue running:

 DISM /Online /Cleanup-Image /RestoreHealth

Wait for the scan and repair to restart the computer before trying the previous failed operation.


Basically these common ways of handling it. Although this error looks scary, it can be solved most of the time through the above steps. The key is to check in order, starting with permissions and services, and gradually deepening into the system level.

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