What is ampa?
The genuine ampa.sys file is a software component of AoMei Partition Assistant by AoMei.
AoMei Partition Assistant is a utility software for managing hard drives. Ampa.sys is kernel driver is necessary for the proper functioning of AoMei Partition Assistant. This is a driver file that may be required for the correct functioning of one or several applications and should not be removed.
AoMei Partition Assistant is a program that provides users with access to configuration and partition tools for their hard drives. Utilities provided by this program include copying the entire hard disk, extending partitions, creating Windows To Go disk, and a partition recovery wizard. The program also offers basic users a step-by-step wizard for several common operations. Partition Assistant is available for the Windows platform.
AOMEI Technology is a Chinese company that develops utility software for the Windows platform. The company designs software for data backup, hard disk and partition management, and cloud file transfer. The company was founded in 2009 and released its first product, Dynamic Disk Converter, in the same year. AOMEI Technology is based in Chegdu, China.
AMPA stands for AOMEI Partition Assistant Kernel Driver
Ampa.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 ampa.sys is a Windows system file or if it belongs to an application that you can trust.
Run a free scan to check for ampa drivers in need of updating
Since 2005, file.net has researched facts about Windows processes and files, analyzed user experiences, and examined files using its own analysis tools. Around 10,000 users rely on it every day.
Ampa.sys file information
The process known as ampa belongs to software unknown by ChengDu AoMei Tech Co. or CHENGDU AOMEI Tech Co. or Aomei Technology Co..
Description: Ampa.sys is not essential for the Windows OS and causes relatively few problems. The file ampa.sys is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/11/7 are 38,320 bytes (42% of all occurrences), 17,008 bytes and 5 more variants. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
The ampa.sys file is a Verisign signed file. There is no description of the program. The program has no visible window. The file is not a Windows system file. The service has no detailed description. The software is not active. It is digitally signed.
ampa.sys appears to be a compressed file.
Therefore the technical security rating is 21% dangerous, however you should also read the user reviews.
Recommended: Identify ampa.sys related errors
Important: Some malware camouflages itself as ampa.sys. Therefore, you should check the ampa.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.
Best practices for resolving ampa issues
A clean and tidy computer is the key requirement for avoiding problems with ampa. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the ampa.sys process on your computer, the following programs have proven to be helpful: ASecurity 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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
remotemouse.exe sideloadlydaemon.exe dfxsharedapp64.exe ampa.sys networkdlllsp.dll netgeargeniedaemon64.exe srv.sys nvstlink.exe 8hbrstub.dll bsspluginhost.exe winring0x64.sys [all]
Score
User Comments
Summary: Average user rating of ampa.sys: based on 2 votes with 1 user comment. 2 users think it's probably harmless.