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How to remove an runonce error


Runonce.exe is a executable file (a program) for Windows. The filename extension .exe is the abbreviation for executable. Only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. The free file information forum can help you determine if runonce.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.

Click to Run a Free Scan for runonce.exe related errors.


Runonce.exe file information

The process known as Run Once Wrapper belongs to software Betriebssystem Microsoft Windows or Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: The file runonce.exe is located in the folder C:\Windows\System32. Known file sizes on Windows 7/XP are 14,336 bytes (50% of all occurrences) or 38,400 bytes. http://www.file.net/process/runonce.exe.html 
The runonce.exe file is a Windows system file. The file is a Microsoft signed file. The program is not visible. Therefore the technical security rating is 2% dangerous.

Recommended: Identify runonce.exe related errors .

If runonce.exe is located in a subfolder of C:\Windows, the security rating is 2% dangerous. The file size is 50,688 bytes. The runonce.exe file is a Windows system file. Runonce.exe is a trustworthy file from Microsoft. The program is not visible.

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

  • "mdac_runonce" is not required to run at start up. Associated with MS Data Access Components (MDAC). Sometimes left over after installation - not required. NOTE :- don't delete "runonce.exe". 
  • "RunOnce" can run at start up. Part of MS Data Access Components - only required if you use these

Important: Some malware disguises itself as runonce.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the runonce.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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Runonce scanner


Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

SpeedUpMyPC scans, cleans, repairs and optimizes your computer.


Other processes


runonce.exe [all]