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runas.exe application error

June 03, 2014

DLL ToolDLL Tool downloads runas.exe and repair runas.exe problems for your PC installed with Microsoft OS such as Windows 7 and Windows 8.

About runas.exe

Runas.exe is part of Advanced RunAs Demo for Windows operating system developed by Microsoft Company according to the runas.exe version information. Runas.exe file is located in the C: \ folder by default.

Runas.exe is used to run specific tools and programs with different permissions for the user to carry out their current needs. It includes the syntax of runas [{/profile|/noprofile}] [/env] [/netonly] [/smartcard] [/showtrustlevels] [/trustlevel] /user: UserAccountName program.

Runas.exe can be used to loads the user's profile; Specifies that the user's profile is not to be loaded. This allows the application to load more quickly, but it can also cause a malfunction in some applications; Specifies that the current network environment be enabled and the user's local environment is disenabled at the same time.

Runas.exe can also be sued to indicate that the user information specified is for remote access only'; Whether the credentials are to be supplied from a smartcard; Lists the /trustlevel options; Specifies the level of authorization at which the application is to run; See the trust levels available; Specifies the name of the user account under which to run the program. The user account format should be user@domain or Domain\User; Specifies the program or command to run using the account specified in /user; Displays help at the command prompt.

Administrators will not log off and then log on again when using the runas command to run the tools that can be applied with the broader permissions; they are able to specify restrictive permissions to perform routine, regular user tasks, or to perform specific administrative tasks.

Runas.exe is not only used for administrator accounts, but also for the most common use. Namely, any user is allowed to perform runas command line to control a program, MMC console, or Control Panel item with alternate credentials under the conditions that multiple accounts have been established.

Even if you are a member of the Users or Power Users group, you are allowed to run the runas command to operate programs, consoles, shortcuts, and Control Panel items as an administrator. The runas command supports you to start any program, MMC console, or Control Panel item, which is available for you with the appropriate user account and password information.

Common signs of Runas.exe errors

  1. RunAs in windows 7 of bat file returns error saying not a valid win32 application: In the usual account, a bat file has been set to run SyncToyCmd as a scheduled task, run as administrator. Another bat file is created that just has a one line, RunAs. to execute the SyncToy bat at any time, manually. This second bat file will not execute the synctoy bat file, which still runs as a scheduled task remember, but instead the RunAs returns the error not a valid Win32 application
  2. Unable to run .exe files without using runas:administrator: After virus removal, shortcuts to executables only work if they are run as an administrator, otherwise you have to manually point out the path for the shortcut EVERY time. Launchers for games that open multiple executables to get the game open don't work at all.
  3. Turn on/off real-time protection in MSE with a limited account & runas: An error has occurred in the program during initialization. If this problem continues, please contact your system administrator. Error Code: 0x80070005. Running it normally has the save option dimmed if run from the limited account, and everything works fine if run from the admin account.

What are causes of runas.exe errors?

When you want to run Sysinternal's ProcExplorer from the Start menu, it needs Elevated permissions, and you will be prompted for credentials every time you login trying to run as a regular user. You could create a Shortcut that elevates the target. ProcExp is a trusted application; it can run without As Administrator.

Both Windows Server 2008 x64 and R2 have IE Enhanced Security and Configuration Mode switched OFF for Administrators. UAC is turned off on 2008 x64. Then you log into Windows with local administrative privileges and start Internet Explorer by clicking its icon in the Start menu. The result will be Internet Explorer window with loaded add-ins at startup.

But in case of malware, starting Internet Explorer with lowest integrity level from command prompt by selecting 'run as user' from its context menu and running Internet Explorer under the default user. The virus infection will make Internet Explorer unable to start and an error message box appears explaining that running IE that way is not supported because of inability to use the runas command to run Internet Explorer 7 in a different user account with a limited permission.

The reason behind the runas is that normal domain user accounts are not allowed to have elevated permissions. A secondary admin account is created with more complex password requirements, for any domain administrative tasks and permissions. Both domain accounts have local administrator rights on the workstation. Therefore, the runas requires elevated permissions.

Solutions to runas.exe errors

Firstly, change the logon account to install the runas.exe service with localsystem as the default account so as to access the share drive in other server and administrator. If localsystem account is used, the runas.exe can't access the network, then you can automate the storing of a credential to several people's profiles on several servers so they can use it with scripts they will be running that have the runas command with the /savecred switch.

Just use the cmdkey command to store the user and password and when the runas command is executed, it will not prompt for the password. The /savecred works by the runas command prompt for the password. If you use the cmdkey command to overwrite the stored credential, runas will prompt again for the password so it can store it itself. Whenever you try to runas in Windows 7 enterprise the screen shadows and just hangs there.

If you cannot figure out how to resolve the runas.exe issue with the above methods, it is recommended to try DLL TOOL to repair the registry problems as well download a fresh copy of runas.exe file for free.

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