What is AsUpIO?

AsUpIO.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 operating system, hardware etc. The free file information forum can help you determine if AsUpIO.sys is a Windows system file or if it belongs to an application that you can trust.

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AsUpIO.sys file information

The process known as AsUpIO belongs to software AsUpIO by ASUSTeK Computer (

Description: AsUpIO.sys is not essential for the Windows OS and causes relatively few problems. AsUpIO.sys is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 14,464 bytes (76% of all occurrences) or 13,368 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. There is no description of the program. The program is not visible. AsUpIO.sys is digitally signed. There is no detailed description of this service. It is not a Windows system file. AsUpIO.sys is a Verisign signed file. AsUpIO.sys appears to be a compressed file. Therefore the technical security rating is 34% dangerous.

Recommended: Identify AsUpIO.sys related errors

If AsUpIO.sys is located in the C:\Windows\System32\drivers folder, the security rating is 30% dangerous. The file size is 11,448 bytes (66% of all occurrences) or 11,832 bytes. There is no description of the program. The program is not visible. It is a Verisign signed file. The file has a digital signature. The service has no detailed description. It is not a Windows core file. AsUpIO.sys appears to be a compressed file.

Important: Some malware camouflages itself as AsUpIO.sys. Therefore, you should check the AsUpIO.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.


User Comments

One user thinks it's neither essential nor dangerous.

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Best practices for resolving AsUpIO issues

A clean and tidy computer is the key requirement for avoiding problems with AsUpIO. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the AsUpIO.sys process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

AsUpIO.sys [all]