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The runas.exe file

According to our database, the runas.exe file is part of Microsoft Windows Operating System, so the runas.exe file probably got onto your computer during the installation of Microsoft Windows Operating System.

Table of contents:

The runas.exe file's details

Below, we have summarized the details of the runas.exe file known to us. The manufacturers constantly update their software, so naturally runas.exe may exist in a different version with a different name. The data below summarizes the parameters of the runas.exe file with the 10.0:10240.16384 version number.

17.5 kB (17920 B)
Internal name:
Original filename:
Run As Utility
© Microsoft Corporation. All rights reserved.
Microsoft Corporation
Microsoft Windows Operating System (Microsoft Windows 10)
Product version:

The links related to the runas.exe

We try to collect the websites where you can find further information about the runas.exe file.

The runas.exe's possible errors

Below are the top five most common runas.exe errors and how to fix them.

runas.exe - Application error

The instruction at "0x????????" reference memory at "0x00000000". The memory could not be read.

The causes of the error message and possible solutions:

  • Faulty program code. Signal the error to the application's developer, and try installing a newer version.
  • It's possible that there isn't enough memory available for the application. Free up memory be temporarily stopping some applications or services.
  • It's possible that a hardware component of your computer is malfunctioning. Have the hardware components of your computer checked, with special attention to the RAM modules.

runas.exe - Error

The program can't start because ???.dll is missing from your computer. Try reinstalling the program to fix this problem.

The cause of the error message and possible solution:

  • The DLL file required for running runas.exe is either missing or out of date. Reinstall the application.

runas.exe - Access denied

runas.exe - Access denied

The causes of the error message and possible solutions:

  • The antivirus software may have blocked access to the runas.exe file. Check your antivirus software's log and quarantine.
  • You don't have the permissions to run the runas.exe. Change the permissions of the file.
  • The runas.exe file may have been damaged. Reinstall the application.

runas.exe - Error

runas.exe is not recognized as an internal or external command, operable program or batch file.

The cause of the error message and possible solution:

  • The runas.exe isn't installed. Install the application.

runas.exe - Application error

The exception Illegal Instruction. An attempt was made to execute an illegal instruction.

The causes of the error message and possible solutions:

  • The runas.exe uses an instruction set that isn't supported by your CPU. Install the version that is adequate to your computer.
  • It's possible that a hardware component of your computer is malfunctioning. Have the hardware components of your cimputer checked, with special attention to your CPU's cooling.

Other executable files related to the runas.exe

Microsoft Windows Operating System uses other executable files besides the runas.exe file. The file’s names can be different with each version.

Windows Mail
Windows Contacts
Windows Journal Note Writer Progress Dialog
Windows Journal
Microsoft Network Realtime Inspection Service
Touch Keyboard and Handwriting Panel
Personalize Handwriting Recognition UI
Microsoft Windows Media Configuration Utility

Downloading the runas.exe

If you need the runas.exe file because the file system is damaged, then we suggest that you reinstall Microsoft Windows Operating System. Copying an executable usually doesn't solve the problem.


Never open an executable file that you received in an e-mail! Even if it seems like you received it from a reliable person. In most cases, the viruses circulating on the Internet get onto the infected computers from sources that are believed to be reliable.

During the analysis, we checked all the executable files registered by us with at least 2 antivirus softwares.

Help us

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Supported operating systems

Windows Server 2003/2008/2012, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

Microsoft and Windows either registered trademarks or trademarks of Microsoft Corporation in the United States and other countries. All other brand or product names are trademarks or registered trademarks of their respective holders.