More detailed steps to fix .NET Framework install errors that ask for tmpXXXX.tmp

I previously described a set of steps in this blog post that can be used to manually remove the .NET Framework and reinstall it if you receive an error message stating that setup is unable to find the file tmpXXXX.tmp when attempting to install a .NET Framework service pack or hotfix.   However, I've heard from a couple of customers over the past few weeks who still received errors related to tmpXXXX.tmp after performing the cleanup steps in that blog post.  As a result, I posted a more complete set of steps that you can use to clean up your system and reinstall the .NET Framework.  You can find them at

<update date="3/20/2009"> Fixed broken link to the .NET Framework cleanup tool. </update>

<update date="5/6/2011"> Removing the old instructions in this post and pointing to updated steps. </update>


Comments (24)
  1. Floo says:

    The link to the cleanup tool no longer seems to be working.

  2. Hi Floo – My file server is currently down for maintenance.  Please see for more information and alternatives in the meantime.

    Sorry for the hassle….

  3. Details about the .NET Framework 2.0 setup packaging Available command line switches for .NET Framework

  4. Liquidsteel says:

    Could some one email me this tool as i cant find one goos link to download it, thank you  

    Removal tool to fix .NET Framework install failures

  5. Hi Liquidsteel – I’ve emailed you a copy of the cleanup tool.  Hopefully it will be helpful in your scenario.

  6. Penelop says:

    It took me 2 days to find you Aaron but [whoopee] it was worth it!!  I downloaded your nifty brilliant tool and within 5 minutes my problems had gone away.  I was able to get back to business – and… you saved my sanity.  Thank you, thank you a million times for all your generosity and kind heartedness in helping lesser gifted computer users like me to get around these pesky glitches that drive us all to distraction!!

  7. Puri Jo ( says:

    Is it better to download the Microsoft .NET Framework altogether to correct the error message "An unhandled exception has occurred in a component in your application," which comes up everytime I start the computer?

  8. Hi Puri Jo – I'm not sure I understand your question.  That error message sounds like it is coming from an application that is crashing, not from the .NET Framework.  You can try to narrow down which appliation is causing this crash by running msconfig.exe and choosing the Startup tab and looking at the programs that are listed there – those are the programs that are currently configured to start up each time you reboot your computer.

  9. Mary says:

    this net frame work v1,1,4322 pops up when i try to click media center. and can't seem to get into media center can you help me? what do i do to get into media center

  10. Hi Mary – I am guessing you are using Windows XP Media Center Edition on your computer.  That version of Media Center requires that you have the .NET Framework 1.1 and 1.1 SP1 installed.  You can install those versions of the .NET Framework from the links at…/details.aspx and…/details.aspx.

  11. Mohammad says:

    A great tool and a great description heads up

  12. Penny' says:

    I keep getting an error msg. that tells me to stop NetFrameworkv1.1.4322 so that computer can enter standby mode. How do I do this?


  13. Hi Penny – I haven't heard of this type of error before, so I'm not sure what to suggest.  Could you list the exact error message, or post a screenshot of the exact error message so that I can take a further look?

  14. ray says:

    my framework3.5 service pack1 and net frame3.5 service pack1 and .net framework 3.5 family update for .net versions 2.0 through 3.5 (kb951847 )x86 will not download it keeps saying failed

  15. Hi Ray – Do these versions of the .NET Framework fail to download, or do they fail to install?  If they're failing to download, I'd suggest trying to download them manually instead of letting Windows Update try to download them for you.  If they fail to install, can you please use the tool described at…/6458047.aspx to gather all of your .NET Framework setup log files, post the file named that this tool will create to a file server (such as and then reply back here with a link I can use to download your log files and take a further look?

  16. Eldon Warman says:

    I would like to have your NET Framework de-install and re-install tool  Windows XP Home

    Semd to: <>

    Microsoft's advice seems useless. Everything on my computer dealing with security items seems blocked,

    but nothing shows up on Bitdefender anti-virus or Malwarebytes free.

    Microsoft fix-it did get NET Framework 2 and above to accept an update, but, it seems they deleted 1.1,

    and the auto-uploads keeps sending the download of NF 1.1 my way, but it won't upload

  17. Hi Eldon Warman – You can find download information for the cleanup tool in the user's guide at…/8904493.aspx.  Hopefully the tool will be helpful to you in this scenario.

  18. martin says:

    security updates for framework 1.1sp1 will not install when downloaded.can you help please

  19. Hi martin – I'd suggest using the steps and the cleanup tool described at…/8108332.aspx to fully remove the .NET Framework 1.1 from your computer, re-install it, then try again to install the .NET Framework 1.1 SP1 and any additional security updates that are available for it.

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