Microsoft KB Archive/254970

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Err Msg: Add/Remove Programs Another Installation Is Already in Progress


The information in this article applies to:

  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Server
  • Microsoft Office 2000 Premium
  • Microsoft Office 2000 Professional
  • Microsoft Windows 98
  • Microsoft Windows Millennium Edition


When you try to use the Add/Remove Programs tool for Office 2000 on a computer running Windows 2000, you may receive the following error message:

Add/Remove Programs

Another Installation is already in progress. Complete that installation before proceeding with this install.


This issue can occur if you install Office 2000 on a computer running Windows 95/98, and then upgrade to use Windows 2000.


To resolve this issue, follow these steps:

  1. Close Add/Remove Programs and Control Panel.
  2. Restart Windows 2000.
  3. Click Start, point to Settings, click Control Panel, and then double-click Add/Remove Programs.
  4. Click Microsoft Office 2000, and then click Change or Remove.

NOTE: You may need to manually delete the Office 2000 icons from the Startup group and the Programs menu.


Microsoft has confirmed this to be a problem in Windows 2000.

Additional query words:

Keywords : kbenv kberrmsg kbsetup kbtool KBW2KHOME
Issue type : kbprb
Technology : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000Serv kbwin2000ServSearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro kbWinMEsearch kbOfficeSearch kbWin98search kbOffice2000Search kbOffice2000 kbWinAdvServSearch kbWin98 kbWinME

Last Reviewed: November 24, 2000
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