求助：用C#建立的Windows Service安裝時出現密碼？(已解決)

我用C#建立了一個Windows Service程式，也同時建立了一個ProjectInstaller。然後產生服務程式的可執行檔，安裝。
當使用installutil.exe工具進行安裝時，提示輸入使用者名稱和密碼。我輸入了我的管理員的使用者名稱和密碼也不行。
後來即使切換到adminitrator使用者下，重啟，再安裝，也需要輸入使用者名稱和密碼，結果還是不對。
以下是提示資訊，請大家看看，是為什麼。謝謝！

Found .NET Framework version 2.0.50727
Installing service "MyServices.exe"
Microsoft (R) .NET Framework Installation utility Version 2.0.50727.42
Copyright (c) Microsoft Corporation.  All rights reserved.

Running a transacted installation.

Beginning the Install phase of the installation.
See the contents of the log file for the C:\Program Files\tech\TS.Services\MySer
vices.exe assembly's progress.
The file is located at C:\Program Files\tech\TS.Services\MyServices.InstallLog.
Installing assembly 'C:\Program Files\tech\TS.Services\MyServices.exe'.
Affected parameters are:
   logtoconsole =
   assemblypath = C:\Program Files\tech\TS.Services\MyServices.exe
   logfile = C:\Program Files\tech\TS.Services\MyServices.InstallLog

An exception occurred during the Install phase.
System.ComponentModel.Win32Exception: No mapping between account names and secur
ity IDs was done

The Rollback phase of the installation is beginning.
See the contents of the log file for the C:\Program Files\tech\TS.Services\MySer
vices.exe assembly's progress.
The file is located at C:\Program Files\tech\TS.Services\MyServices.InstallLog.
Rolling back assembly 'C:\Program Files\tech\TS.Services\MyServices.exe'.
Affected parameters are:
   logtoconsole =
   assemblypath = C:\Program Files\tech\TS.Services\MyServices.exe
   logfile = C:\Program Files\tech\TS.Services\MyServices.InstallLog

The Rollback phase completed successfully.

The transacted install has completed.
The installation failed, and the rollback has been performed.
DONE!!!
Press any key to continue . . .