Getting Started
- What is WuInstall?
  - What is WuInstall?
- Download and Installation
  - Download and Install WuInstall
- Search for Updates
  - Search for Updates
- Download Updates
  - Download Updates
- Install Updates
  - Install Updates
WuInstall
- WuInstall HowTo
  - Basic Functions
  - Selecting Updates
  - Additional Options
- WuInstall Options
  - Basic Options
  - Caching Options
  - Criteria Options
  - Filter Options
  - WSUS Options
  - Proxy Options
  - Reboot / Shutdown Options
  - Other Options
  - Email Options
  - Remote Options
- WuInstall Return Codes
  - Error Codes
  - Return Codes
FAQ
- How to use WuInstall?
- How to get "Important" updates only?
- How do I call WuInstall on a remote machine using psexec?
- How to use WuInstall with a proxy server?
- Does windows reboot automatically after WuInstall installed updates which need to reboot the machine?
- How does the /criteria option work?
- Why are updates marked as hidden also installed?
- Where does WuInstall download the updates?
- Does WuInstall work with Windows 7?
- Does WuInstall work with Windows 10?
- Does WuInstall work with Windows 11?
- Does WuInstall work with Windows Server 2008-2022?
- What is the advantage of Wuinstall over other solutions?
- WuInstall has no GUI, what can I do?
- How to search for special updates or how to use Regular Expressions for /match /nomatch?
- Is it possible to deploy IE8 without user interaction using WuInstall?
- Why does WuInstall crash/generate failures during the download or installation of updates?
- WuInstall doesn't install updates properly when starting with "run as administrator", why?
- Windows 7 Service Pack 1 installation fails, why?
- Installation of updates with WuInstall does not work on my Windows XP machine, why?
- Does WuInstall work with Windows 8,10,11 / Server 2008,2012,2016,2019,2022?
- WuInstall exits with error code 0x80072EFD, why?
- WuInstall exits with error code 0x8024400A, why?
- WuInstall exits with error code 0x80240044, why?
- How is the WuInstall license price calculated?
- How do I get updates of WuInstall PRO?
- How long is the WuInstall license valid?
- How does licensing work if I am a IT service company and want to provide WuInstall to my customers?
- How to calculate licenses if I only use WuInstall once per machine (e.g. for initial setup)?
- Does Wuinstall send data to the Internet or the cloud?
- Where is the license stored or do I update the license?
- How do I clear the local Windows Update cache with WuInstall?
More

Error Codes

When WuInstall encounters a Windows Update error, it reports the error code in the output. Below are some commonly seen error codes:

Error Code	Error String	Description
0x80240044	WU_E_PER_MACHINE_UPDATE_ACCESS_DENIED	Only administrators can perform this operation on per-machine updates.
0x80248013	WU_E_DS_DUPLICATEUPDATEID	The server sent the same update to the client with two different revision IDs.
0x80244021	WU_E_PT_HTTP_STATUS_BAD_GATEWAY	Same as HTTP status 502 — the server, while acting as a gateway or proxy, received an invalid response from the upstream server.
0x80072EE6	ERROR_INTERNET_UNRECOGNIZED_SCHEME	The URL scheme could not be recognized or is not supported.
0x80072EFD	ERROR_INTERNET_CANNOT_CONNECT	A connection with the server could not be established. Usually indicates the WSUS address is configured incorrectly or there are proxy problems.
0x8024400A	WU_E_PT_SOAPCLIENT_PARSE	Sometimes occurs with new Windows machines when the Windows Update Agent is not properly installed. Download and install the latest Windows Update Agent.
0x80240022	WU_E_ALL_UPDATES_FAILED	All update installations failed. Try adding `/quiet /disableprompt` to your WuInstall command.
0x80240028	WU_E_UNINSTALL_NOT_ALLOWED	The update cannot be uninstalled because it was not installed via WSUS.

For a comprehensive list of Windows Update error codes, see the Microsoft documentation.

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Last updated on January 3, 2024

Remote Options Return Codes