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Error 1721

Discussion in 'Windows 7' started by pantherguy, Nov 8, 2011.

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  1. pantherguy

    pantherguy Thread Starter

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    We moved an application to a new server and I'm trying to uninstall the current version off of the 64bit Windows 7 PC and install it off of the new server. When I tried uninstalling it, I got the 1721 error about the Windows Installer Package. I followed one of Microsoft's Fix-It links and it was able to "fix" the problem and get it uninstalled. However, now I'm trying to install it off of the new server and I get a 1721 error. I've followed some of the suggestions on other forums as well as Microsoft's site but nothing's worked. Could it be something in the registry?

    Thanks.
     
  2. Phantom010

    Phantom010 Trusted Advisor

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    Mar 9, 2009
    Messages:
    34,796
    Perhaps something is interfering with the Windows Installer service?

    Try it in Safe Mode with Networking. The Windows Installer service will probably not start in that mode. You'll need to download SafeMSI and run it in Safe Mode (with Networking). Why with Networking? Because many programs, if not most, need to access the Internet to complete the process. Try installing or uninstalling again.
     
  3. pantherguy

    pantherguy Thread Starter

    Joined:
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    Thanks, that allowed me to install the program. I greatly appreciate the help.
     
  4. Phantom010

    Phantom010 Trusted Advisor

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    Messages:
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    You're quite welcome! (y)
     
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