ps3exportgui error how to fix?

[dannyboy1254]

ERROR :
PS3xport v0.2
Usage: ps3xport.exe command [argument ...] [command ...]
Commands :
SetKeysFile filename:
Set the path to the keys.conf file (default: keys.conf)
SetDeviceID (HEX|filename):
Set the DeviceID needed for decrypting archive2.dat
SetPSID (HEX|filename):
Set the OpenPSID needed for creating new backups
ExtractPSID backup_dir output:
Extract the OpenPSID from a backup directory
ReadIndex archive.dat:
Parse the specified index file and print info
ReadData archive_XX.dat:
Parse the specified data file and print info
Decrypt archive[_XX].dat decrypted.dat:
Decrypt the given .dat file
Dump backup_dir destination_dir:
Extract the whole backup to the destination directory
ExtractFile backup_dir filename destination:
Extract from a backup a specific file
ExtractPath backup_dir path destination_dir:
Extract from a backup all files matching the specified path
DeleteFile backup_dir filename:
Delete from a backup a specific file
DeletePath backup_dir path:
Delete from a backup all files matching the specified path
DeleteProtected backup_dir
Deletes the copy-protected files from the backup
Add backup_dir directory:
Add the given directory and subdirs to the backup
AddProtected backup_dir directory:
Add the given directory and subdirs to the copy-protected backup
CreateBackup backup_dir content protected_content
Create a new backup with a content dir and a copy-protected content
Set the content path to '-' to ignore it

Error: Unknown command