How to remove an ACPI error
The file ACPI.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the OS, hardware etc.
The free file information forum can help you determine if ACPI.sys belonging to the Windows system or an application you can trust.
ACPI.sys file information
Description: ACPI.sys is located in the folder C:\Windows\System32\drivers.
Known file sizes on Windows 7/XP are 187,776 bytes (59% of all occurrences), 188,800 bytes and 11 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. It is a Windows system file. The program is not visible. The service has no detailed description. ACPI.sys is a Microsoft signed file. ACPI.sys seems to be a compressed file. Therefore the technical security rating is 4% dangerous, however also read the users reviews.
Recommended: Identify ACPI.sys related errors
Important: Some malware camouflages itself as ACPI.sys, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the ACPI.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
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Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
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logmein.exe autoupdate.exe vmntemplatex.dll ACPI.sys volumouse.exe amon.sys razertra.exe brmfcwnd.exe hpztsb05.exe gmsipci.sys av5flt.sys [all]