What is atmeltpm?

The genuine atmeltpm.sys file is a software component of Atmel TPM by Atmel.
Atmeltpm.sys is a system driver that belongs to Atmel TPM, an international standard for secure cryptoprocessors. Drivers enable hardware components to communicate with software without additional programming from the software developer. This is a critical file necessary for the optimal functioning of Atmel hardware and should not be removed. Atmel's Trusted Platform Module (TPM) features full compliance to TCG (Trusted Computing Group) specifications; active shielding, a high-quality hardware random number generator, and a variety of tamper-detection and response circuits for hardware security; protected nonvolatile storage for cryptographic keys and authorization information. TPM supports the Windows and Linux platforms. The Atmel Corporation in an American company that designs and manufactures semiconductors, and specializes in embedded systems built around microcontrollers. The company was founded in 1984 by George Perlegos, a former employee of Intel. Currently, Atmel provides its services to consumers, corporations, the communications, automobile and medical industries, as well as to aerospace and military. The company is currently based in San Jose, California, United States.

AtmelTPM stands for Atmel TPM Driver

Atmeltpm.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 atmeltpm.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for atmeltpm drivers in need of updating

Atmeltpm.sys file information

The process known as Atmel TPM Driver belongs to software Atmel TPM Driver or Client Security - Password by Atmel (

Description: Atmeltpm.sys is not essential for the Windows OS and causes relatively few problems. Atmeltpm.sys is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 15,872 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. Atmeltpm.sys is a trustworthy file from Microsoft. The program has no visible window. The service has no detailed description. The file is not a Windows core file. atmeltpm.sys appears to be a compressed file. Therefore the technical security rating is 9% dangerous.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ Client Security - Password.

Recommended: Identify atmeltpm.sys related errors

Important: Some malware disguises itself as atmeltpm.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the atmeltpm.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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Best practices for resolving atmeltpm issues

A clean and tidy computer is the key requirement for avoiding problems with atmeltpm. 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, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the atmeltpm.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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

atmeltpm.sys [all]