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Oscar Kuo
Asked: 2009-06-15 22:52:06 +0800 CST

.NET 3.5 SP1 Installer hang at around 80%

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I was trying to install .NET 3.5 SP1 to one of our production machines with Windows 2003 SP2. However, the installer just hang at around 80% with message "Setup is loading installation components, This may take a minute or two". In fact it's been like that for 30mins already and using 0% CPU.

I disabled the anti-virus software and then applied the windows installer 4.5 update but no luck, the installer still hangs.

Anyone had this problem before?

windows-server-2003 .net-3.5 .net

13 Answers

  1. Seriously either disabling the network adapter or pulling the ethernet seem to work for this issue. I have come across it recently, frustrating as all get out, but that was the answer.

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  2. I can't speak to your specific problem, in a similar situation I would suggest using Process Monitor to see what happens when you run the installer a second time.

    1. Cancel the install.
    2. Start process monitor.
    3. Run the installer capturing event.
    4. Stop the trace after 5-10 minutes of nothing happening.
    5. Go through the log and filter out anything that isn't related

    Googling for process and file names, will help you identify what isn't related.

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  3. There are reports of users who claim that deactivating the network adapter solved the issue. I am aware that this is not a good solution for a production server.

    I've also heard that real-time antivirus software can slow down the installation.

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  4. Blockquote

    Dont disable network. Try IE Connection setting and choose not to use any proxy or proxy settings file. Worked for me on Windows server 2003.

    Blockquote

    Same here for me, Disabling IE proxy allowed the install to complete.

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  5. I really don't think disabling network is the right solution. I would prefer looking at the .net installation logfile located at C:\WINDOWS\Microsoft.NET\Framework\v3.5\Microsoft .NET Framework 3.5 SP1\Logs and verify at what stage the installation has hung. The installer is hardly about 70 MB in size and should not take long time to download either. I have always run Windows Update to install all the necessary update but have never faced any issues when using WSUS or stand-alone installer.

    Yes, Aaron's blog pointed out by Eleasar is also the right step to follow.

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  6. Clear proxy settings ipconfig /flushdns Remove the gateway IP address from your LAN adapter Remove the DNS sever IP from the LAN adapters

    This prevented any lookup or network attempts from getting any name resolution or anyting but a destination host unreachable. Worked for me.

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  7. For those like me searching for an answer and stumbling upon this, what worked was

    1. Downloading the full installer package, not the web one
    2. Don't know if it helped, but I added the registry entries from the post above
    3. Disabling the proxy in IE
    4. Running from the command line and adding /lang:ENU
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  8. I agree about the network thing; I think the installer does... something with Microsoft servers, and sometimes that doesn't work and the installer hangs. Everytime that happened to me, disabling the network adapter allowed the setup to continue gracefully.

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  9. I finally found a way to do it:

    http://blogs.msdn.com/astebner/archive/2008/07/17/8745415.aspx?CommentPosted=true#commentmessage

    After extracting the full installer and also within there the other installer and putting the language ENU switch in place (and not using the /web switch) all went smooth and fine!!

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  10. Disable proxy settings in IE. That is all that has to be done.

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