What is OnekeySupport.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 OnekeySupport.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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OnekeySupport.exe file information

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

The process known as OnekeySupport.exe belongs to software Onekey Theater by Lenovo (Beijing) (

Description: OnekeySupport.exe is not essential for the Windows OS and causes relatively few problems. The file OnekeySupport.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 100,256 bytes (74% of all occurrences) or 99,680 bytes. 
There is no information about the author of the file. The program has no visible window. The file has a digital signature. The OnekeySupport.exe file is not a Windows core file. It is a Verisign signed file. It can change the behavior of other programs or manipulate other programs. Therefore the technical security rating is 56% dangerous.

Uninstalling this variant: You can uninstall the program Onekey Theater, or ask the software vendor for support. Click on Onekey Theater in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify OnekeySupport.exe related errors

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

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

OnekeySupport.exe [all]