import os
from subprocess import PIPE,Popen
import ctypes 
import time
start=time.time()

class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)
with disable_file_system_redirection():
    if os.path.exists("C:\\Program Files (x86)"):
        os.chdir("C:\Program Files\Malwarebytes\Anti-Malware")
        print os.getcwd()
        cmd="mbam.exe /update -silent"
        process=Popen(cmd,stdout=PIPE,stderr=PIPE)
        r,e=process.communicate()
        if e:
            print e
        else:
            print r
    else:
        os.chdir("C:\Program Files\Malwarebytes\Anti-Malware")
        print os.getcwd()
        cmd="mbam.exe /update -silent"
        process=Popen(cmd,stdout=PIPE,stderr=PIPE)
        r,e=process.communicate()
        if e:
            print e
        else:
            print r
end=time.time()
print end-start