What is TdmNotify.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the TdmNotify.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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TdmNotify.exe file information

Windows Task Manager with TdmNotify
TdmNotify.exe process in Windows Task Manager

The process known as Trusted Drive Manager User Notifier or TdmNotify Module belongs to software Trusted Drive Manager by Wave Systems (

Description: TdmNotify.exe is not essential for the Windows OS and causes relatively few problems. The TdmNotify.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 132,456 bytes (40% of all occurrences), 381,296 bytes, 371,024 bytes, 257,392 bytes or 185,192 bytes. 
You can uninstall this program in the Control Panel. It is a Verisign signed file. The file is certified by a trustworthy company. It is not a Windows core file. The program is not visible. Therefore the technical security rating is 12% dangerous.

Uninstalling this variant: If you are having problems with TdmNotify.exe, you can do the following:
  1) remove the entire program Trusted Drive Manager using Windows Control Panel
  2) ask the software vendor,, for advice.

Recommended: Identify TdmNotify.exe related errors

Important: Some malware camouflages itself as TdmNotify.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the TdmNotify.exe 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 TdmNotify issues

A clean and tidy computer is the key requirement for avoiding problems with TdmNotify. 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 TdmNotify.exe 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

TdmNotify.exe [all]