What is osa9.exe? Is osa9.exe spyware or a virus?

How to fix osa9.exe related problems?
1. Run Security Task Manager to check your osa9 process
2. Run Windows Repair Tool to repair osa9.exe related Windows Errors
3. Run MalwareBytes to remove persistent malware

Process name: Microsoft Office Startup Assistant

Product: Microsoft Office

Company: Microsoft (microsoft.com)

File: osa9.exe


A background process installed with Microsoft Office 2000, the Office Startup Assistant boots with Windows and preloads certain shared programming between the Office suite of programs. This allows for decreased startup time when you attempt to open one of the Office programs. While the Office Startup Assistant is not a required file, if it is not utilized then the start time of your Microsoft Office application will be noticeably slower. Microsoft Office was introduced in 1988 with three programs. It has since expanded to include many more applications and Visual Basic support for each. Office is currently used by over one billion users.http://www.neuber.com/taskmanager/process/osa9.exe.html 
If you want a detailed security rating about your osa9.exe (and all other running background processes) read the following user opinions, and download the free trial version of Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!


Click to Run a Free Scan for osa9.exe related errors


Users Opinions

Average user rating of osa9.exe: based on 6 votes. Read also the 6 reviews.

  • 233 users ask for this file. 3 users rated it as not dangerous. One user rated it as not so dangerous. One user rated it as neutral. One user rated it as dangerous. One user didn't rate it ("don't know").

All comments about osa9.exe:
Initializes some of the common fonts installed by Office 2000 among other things. Can be safly removed, but will effect preformance.  See also: Link Torey
The OSA9.exe file initializes the shared code that is used by the Office 2000 programs. The benefit of using the OSA9.exe file to initialize shared code is that the Office 2000 programs start faster. If the Office 2000 programs initialize shared code (instead of OSA9.exe), the time it takes for the program to start increases. maddcow
Osa9.exe is part of Microsoft Office 2007, and is automatically started at logon. Sometimes it crashes shortly thereafter. It may cause open windows to lose focus repeatedly shortly after logon (annoying but not dangerous). ES
osa9.exe takes alot of CPU speed, thus slowing the computer. Jabez Gitonga (Kenya)
From M$FT site  See also: Link RAJ
It eats the CPU alive!!!! Jim

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More process information

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osa9.exe [all processes]