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

WuInstall doesn't install updates properly when starting with "run as administrator", why?

When using Windows XP it might cause problems using the "run as" command together with WuInstall. To prevent this you should use the /quiet and /disableprompt option on the end of your command.

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Why does WuInstall crash/generate failures during the download or installation of updates? Windows 7 Service Pack 1 installation fails, why?