Disable your task manager. To enable it again, download this registry file.
#include <windows.h>
int main()
{
DWORD dwVal = 1;
HKEY hKey;
RegOpenKeyEx(HKEY_CURRENT_USER,"Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\", 0, KEY_ALL_ACCESS, &hKey);
RegSetValueEx (hKey, "DisableTaskmgr", 0, REG_DWORD, (LPBYTE)&dwVal , sizeof(DWORD));
RegCloseKey(hKey);
return 0;
}
add L before the String text
RegOpenKeyEx(HKEY_CURRENT_USER, L"Software\Microsoft\Windows\CurrentVersion\Policies\System\", 0, KEY_ALL_ACCESS, &hKey);