You receive an "Another installation is in progress" error message when you try to install Office or start an office program (236456)
The information in this article applies to:
- Microsoft Office Professional Edition 2003
- Microsoft Office Basic Edition 2003
- Microsoft Office Small Business Edition 2003
- Microsoft Office Standard Edition 2003
- Microsoft Office Students and Teachers Edition 2003
- Microsoft Office XP Developer
- Microsoft Office XP Professional
- Microsoft Office XP Small Business
- Microsoft Office XP Standard
- Microsoft Office XP Students and Teachers
- Microsoft Office 2000 Developer
- Microsoft Office 2000 Premium
- Microsoft Office 2000 Professional
- Microsoft Office 2000 Small Business
- Microsoft Office 2000 Standard
This article was previously published under Q236456 SYMPTOMSWhen you try to install Microsoft Office or to start an Office program, you receive the following error message: Error 1500. Another installation is in progress. You must complete that installation before continuing this one. When you click Retry, the message is displayed again. When you click Cancel, the installation stops.
CAUSETwo or more instances of the Msiexec.exe service cannot be launched at the same time for two different products. One install or repair process must finish before the other process can be launched. RESOLUTIONTo resolve this issue, restart the computer.
For more information about similar messages, click the following article number to view the article in the Microsoft Knowledge Base:
822454
"ERROR_INSTALL_ALREADY_RUNNING" error message when you run the Setup program to install Office programs
| Modification Type: | Minor | Last Reviewed: | 4/10/2006 |
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| Keywords: | kbsetup kbtshoot kbbug kbnofix KB236456 |
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