Problem backing up my series

GOODEVENING ALL MY PROBLEM IS THIS I TRYED TO BACK UP MY UGLY BETTY SEASON 2 AND PRIVATE PRACTICE FIRST SEASON USEING DVDFAB 5.2.3.2. I INSERT THE DISC DVDFAB READS DISC IN THE SOURCE THIS IS WHAT APPEARES D:\ [PX1-OA-AT1_DES] IN VOLUME LABLE PX1-0A-AT_Des AFTER ALL IS DONE INSERT COMPATABLE MEDIA VERBATIM PRESS OK AFTER THAT DVDFAB BAR POP’S UP AND THIS IS WHAT IT SAID [CONNOT OPEN FILE "C\DOCUMENTS AND SETTINGS [NAME]MY DOCUMENTS DVDFAB\TEM\CLONE\PXI-0A-AT1_Des .ISO\THE FILENAME, DIRECTORY NAME, OR VOLUME LABEL SYNTAX IS INCORRECT [OK]. . WHY DO I GET THIS AND HOW CAN I FIX IT ANY HELP WOULD BE GREATLY APPRECIATED THANKS T. MY [B] IS A PIONEER DVD-RW DVR-115D 1.18 [IDE]

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