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File purpose and description:
ACPI.sys is a program system file that most likely was on your computer when you first purchased it, as system applications or drivers usually arrive pre installed (although remember it is possible that you made hardware changes on your computer, and when you add new hardware you typically install new drivers for that new hardware, so it may also have arrived that way). ACPI.sys most likely appears as a service on your computer, so you won't find it in your system startup list or BHO list, etc. The actual disk folder location is also listed below to help you verify that ACPI.sys is not a virus or spyware module, as often spyware and virus writers place similiar or same named files in other folders, hoping that you think that is the same file. Always verify the folder location to make sure it is the correct file and disk location. This file is from Microsoft and it is part of the Microsoft Windows operating system drivers and associated with the CPU and various internal functions. This ACPI.sys file is considered safe and is not spyware, adware, or virus related. (See the details below for the actual location of this file.)
Actual file or task name:
acpi.sys
File type:
This is a system file or system driver
File or folder location:
This file will be found at c:\windows\System32\DRIVERS\ACPI.sys
General information:
Be aware that many tasks will be similiar names to existing tasks or processes.
You can always view the running tasks on your computer by pressing ctrl-alt-del to view the windows
"task manager", and then view the "processes" tab. This will show you all tasks running or currently active
on your PC. Although this shows you all running tasks, it does not show dll file thats are loaded, as they
get loaded as part of other processes. Many spyware writers attempt to hide their files
on your computer, for example, acpi.sys may be intentionally misspelled to look like a similiar task, or spyware may be named very
similiar to a Windows system task. The reason they do this is so you cannot easily recognize the name in your tasklist
as I have mentioned above. Make sure always check the location of the file if you are concerned.
You can always find the location of acpi.sys on your computer by using your Windows search options, but
I will also try to list the file location of every file described on this website, so you can verify the correct location. You can view the entire tasklist directory with the link below.
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