Hey guys...

Fairly new to the whole Win32 programming scene. Not sure why this error has come up:
------ Build started: Project: MemoryStatus, Configuration: Debug Win32 ------
Compiling...
MemoryStatus.cpp
c:\documents and settings\administrator\my documents\visual studio 2008\projects\memorystatus\memorystatus\memorystatus.cpp(17) : warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
c:\program files\microsoft visual studio 9.0\vc\include\stdio.h(237) : see declaration of 'fopen'
c:\documents and settings\administrator\my documents\visual studio 2008\projects\memorystatus\memorystatus\memorystatus.cpp(28) : error C2440: '=' : cannot convert from 'const char [13]' to 'LPWSTR'
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
c:\documents and settings\administrator\my documents\visual studio 2008\projects\memorystatus\memorystatus\memorystatus.cpp(52) : error C2664: 'RegisterServiceCtrlHandlerW' : cannot convert parameter 1 from 'const char [13]' to 'LPCWSTR'
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
Build log was saved at "file://c:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\MemoryStatus\MemoryStatus\Debug\BuildLog.htm"
MemoryStatus - 2 error(s), 1 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
Heres the code I'm attempting to compile:
Code:
#include <windows.h>
#include <stdio.h>

#define SLEEP_TIME 5000
#define LOGFILE "C:\\MyServices\\memstatus.txt"

SERVICE_STATUS ServiceStatus; 
SERVICE_STATUS_HANDLE hStatus; 
 
void  ServiceMain(int argc, char** argv); 
void  ControlHandler(DWORD request); 
int InitService();

int WriteToLog(char* str)
{
	FILE* log;
	log = fopen(LOGFILE, "a+");
	if (log == NULL)
		return -1;
	fprintf(log, "%s\n", str);
	fclose(log);
	return 0;
}

void main() 
{ 
    SERVICE_TABLE_ENTRY ServiceTable[2];
    ServiceTable[0].lpServiceName = "MemoryStatus";
    ServiceTable[0].lpServiceProc = (LPSERVICE_MAIN_FUNCTION)ServiceMain;

    ServiceTable[1].lpServiceName = NULL;
    ServiceTable[1].lpServiceProc = NULL;
    // Start the control dispatcher thread for our service
    StartServiceCtrlDispatcher(ServiceTable);  
}


void ServiceMain(int argc, char** argv) 
{ 
    int error; 
 
    ServiceStatus.dwServiceType        = SERVICE_WIN32; 
    ServiceStatus.dwCurrentState       = SERVICE_START_PENDING; 
    ServiceStatus.dwControlsAccepted   = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
    ServiceStatus.dwWin32ExitCode      = 0; 
    ServiceStatus.dwServiceSpecificExitCode = 0; 
    ServiceStatus.dwCheckPoint         = 0; 
    ServiceStatus.dwWaitHint           = 0; 
 
    hStatus = RegisterServiceCtrlHandler(
		"MemoryStatus", 
		(LPHANDLER_FUNCTION)ControlHandler); 
    if (hStatus == (SERVICE_STATUS_HANDLE)0) 
    { 
        // Registering Control Handler failed
        return; 
    }  
    // Initialize Service 
    error = InitService(); 
    if (error) 
    {
		// Initialization failed
        ServiceStatus.dwCurrentState       = SERVICE_STOPPED; 
        ServiceStatus.dwWin32ExitCode      = -1; 
        SetServiceStatus(hStatus, &ServiceStatus); 
        return; 
    } 
    // We report the running status to SCM. 
    ServiceStatus.dwCurrentState = SERVICE_RUNNING; 
    SetServiceStatus (hStatus, &ServiceStatus);
 
    MEMORYSTATUS memory;
    // The worker loop of a service
    while (ServiceStatus.dwCurrentState == SERVICE_RUNNING)
	{
		char buffer[16];
		GlobalMemoryStatus(&memory);
		sprintf(buffer, "%d", memory.dwAvailPhys);
		int result = WriteToLog(buffer);
		if (result)
		{
			ServiceStatus.dwCurrentState       = SERVICE_STOPPED; 
			ServiceStatus.dwWin32ExitCode      = -1; 
			SetServiceStatus(hStatus, &ServiceStatus);
			return;
		}

		Sleep(SLEEP_TIME);
	}
    return; 
}
 
// Service initialization
int InitService() 
{ 
    int result;
    result = WriteToLog("Monitoring started.");
    return(result); 
} 

// Control handler function
void ControlHandler(DWORD request) 
{ 
    switch(request) 
    { 
        case SERVICE_CONTROL_STOP: 
             WriteToLog("Monitoring stopped.");

            ServiceStatus.dwWin32ExitCode = 0; 
            ServiceStatus.dwCurrentState  = SERVICE_STOPPED; 
            SetServiceStatus (hStatus, &ServiceStatus);
            return; 
 
        case SERVICE_CONTROL_SHUTDOWN: 
            WriteToLog("Monitoring stopped.");

            ServiceStatus.dwWin32ExitCode = 0; 
            ServiceStatus.dwCurrentState  = SERVICE_STOPPED; 
            SetServiceStatus (hStatus, &ServiceStatus);
            return; 
        
        default:
            break;
    } 
 
    // Report current status
    SetServiceStatus (hStatus,  &ServiceStatus);
 
    return; 
}
Any ideas?

D