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    <p>With the exception of the <code>schSCManager</code> and <code>szPath</code> variables, <em>all</em> of the other variables you are passing to <code>CreateService()</code> have not been initialized, they contain random values. That is especially important for the <code>psz...</code> variables, because they are pointers, so you are effectively passing random memory addresses to <code>CreateService()</code>. That is why you are getting an <code>ERROR_INVALID_ADDRESS</code> error.</p> <p><strong>You need to initialize your variables!</strong></p> <p><code>pszServiceName</code> needs to point at a null-terminated string containing the desired service name.</p> <p><code>pszDisplayName</code> needs to point at a null-terminated string containing the desired service display name.</p> <p><code>dwStartType</code> needs to contain a valid start type integer value.</p> <p><code>pszDependencies</code> needs to either be NULL, or point at a double-null-terminated string containing a list of null-separated service names that your service depends on.</p> <p><code>pszAccount</code> needs to either be NULL or point at a null-terminated string containing the desired user account that the service runs under.</p> <p><code>pszPassword</code> needs to either be NULL or point at a null-terminated string containing the password for the <code>pszAccount</code> account.</p> <p><strong>Edit:</strong> You are better off simply getting rid of the variables altogether and pass the desired values directly to <code>CreateService()</code>. Try this:</p> <pre><code>#include "stdafx.h" void __cdecl _tmain(int argc, TCHAR *argv[]) { wchar_t szPath[MAX_PATH+1]; SC_HANDLE schSCManager = NULL; SC_HANDLE schService = NULL; if (GetModuleFileName(NULL, szPath, ARRAYSIZE(szPath)) == 0) { wprintf(L"GetModuleFileName failed w/err 0x%08lx\n", GetLastError()); goto Cleanup; } // Open the local default service control manager database schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE); if (schSCManager == NULL) { wprintf(L"OpenSCManager failed w/err 0x%08lx\n", GetLastError()); goto Cleanup; } // Install the service into SCM by calling CreateService schService = CreateService( schSCManager, // SCManager database L"Win32_Service, // Name of service L"My Service, // Name to display SERVICE_QUERY_STATUS, // Desired access SERVICE_WIN32_OWN_PROCESS, // Service type SERVICE_DEMAND_START, // Service start type SERVICE_ERROR_NORMAL, // Error control type szPath, // Service's binary NULL, // No load ordering group NULL, // No tag identifier NULL, // No Dependencies L"NT AUTHORITY\\LocalService", // Service running account NULL // No Password of the account ); if (schService == NULL) { wprintf(L"CreateService failed w/err 0x%08lx\n", GetLastError()); goto Cleanup; } wprintf(L"Service is installed.\n"); Cleanup: // Centralized cleanup for all allocated resources. if (schService) { CloseServiceHandle(schService); schService = NULL; } if (schSCManager) { CloseServiceHandle(schSCManager); schSCManager = NULL; } } </code></pre>
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    1. POCreateService get error: ERROR_INVALID_ADDRESS (0x000001e7)
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    1. USRemy Lebeau
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    1. POCreateService get error: ERROR_INVALID_ADDRESS (0x000001e7)
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    1. COThank you, I also edit as your advise: lstrcpyW(pszServiceName, L"Win32_Service"); lstrcpyW(pszDisplayName, L"My Service"); dwStartType = SERVICE_DEMAND_START; lstrcpyW(pszDependencies,L""); lstrcpyW(pszAccount, L"NT AUTHORITY\\LocalService"); pszPassword = NULL; But it still that error !!!
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    2. CO@Thuy Duong: Why you redefine MAX_PATH? Maybe you have longer name and than CreateService failed.
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    3. CO@Remy Lebeau: I edit as your advise but still that error, why ?
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