Cant backup cert from g903m


i cna backup efs but not cert.

Operation: Read EFS
Selected model: SM-G903M
Software version: 25.4

Waiting ADB device… OK
Reading phone info…
Model: SM-G903M
Android version: 5.1.1
Product code: SM-G903MZKATTT
Phone version: G903MUBU1AOJ2
PDA version: G903MUBU1AOJ2
CSC version: G903MUUB1AOJ3
CSC country code: TRINIDAD AND TOBAGO
CSC sales code: TTT
HW version: MP 0.700
Phone S/N: RF8GA1KSLEF
Modem board: SHANNON310
RF cal date: 20151017
IMEI:
Checking Super user right… true
Reading EFS from phone… OK
Saved to C:\Users\Brey\Desktop\EFS\EFS_SM-G903M_G903MUBU1AOJ2__RF8GA1KSLEF_24-5-2016_17-40-53.tar
Done with Samsung Tool PRO v.25.4

Operation: Read CERT
Selected model: SM-G903M
Software version: 25.4

Waiting ADB device… OK
Reading phone info…
Model: SM-G903M
Android version: 5.1.1
Product code: SM-G903MZKATTT
Phone version: G903MUBU1AOJ2
PDA version: G903MUBU1AOJ2
CSC version: G903MUUB1AOJ3
CSC country code: TRINIDAD AND TOBAGO
CSC sales code: TTT
HW version: MP 0.700
Phone S/N: RF8GA1KSLEF
Modem board: SHANNON310
RF cal date: 20151017
IMEI:
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait…
Start… OK
Init… OK
Generate and check client proof… OK
Verify proof by client… OK
Reading data… OK
Reading nv data… OK
Checking NV data… OK
Calculating… OK
Exception: Cannot create file ‘C:\Users\Brey\Desktop\Cert\SM-G903M_RF8GA1KSLEF_Ç?d7ÖBOÉÈhÐèAg£_??Îíýgagm:>~>LX_ 24-5-2016_17-42-50.cert’. El nombre de archivo, el nombre de directorio o la sintaxis de la etiqueta del volumen no son correctos

Done with Samsung Tool PRO v.25.4