What is winss.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 winss.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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Winss.exe file information

Windows Task Manager with winss
Winss.exe process in Windows Task Manager

The process known as Windows Live OneCare Service belongs to software Windows Live OneCare or Microsoft Windows OneCare by Microsoft ( or Dreamy.

Description: Winss.exe is not essential for Windows and will often cause problems. The file winss.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,116,712 bytes (26% of all occurrences), 1,112,104 bytes and 8 more variants. 
The program is not visible. It is not a Windows core file. The file has a digital signature. The application listens for or sends data on open ports to a LAN or the Internet. Therefore the technical security rating is 44% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to uninstall the associated program (Start > Control Panel > Uninstall a Program > Microsoft Windows OneCare or Windows Live OneCare).

Recommended: Identify winss.exe related errors

If winss.exe is located in the C:\Windows\System32 folder, the security rating is 62% dangerous. The file size is 98,304 bytes. There is no description of the program. It is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The winss.exe file is not a Windows core file. Winss.exe is able to record keyboard and mouse inputs.

External information from Paul Collins:
There are different files with the same name:

Important: Some malware also uses the file name winss.exe, for example TROJ_GEN.R31C2IG (detected by TrendMicro), and Infostealer (detected by Symantec). Therefore, you should check the winss.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.


User Comments

This memory-resident worm
Windows Live One Care proccess, ignore the above there is no threat. Monitoring is normal for an anti-spyware program.

Summary: Average user rating of winss.exe: based on 2 votes with 2 user comments. One user thinks winss.exe is essential for Windows or an installed application. One user thinks winss.exe is dangerous and recommends removing it.

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Best practices for resolving winss issues

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

winss.exe [all]