Penson OFX

Hello,

I am trying to download an OFX file from Penson but I keep getting this returned back to me.

OFXHEADER:100
DATA:OFXSGML
VERSION:102
SECURITY:NONE
ENCODING:USASCII
CHARSET:1252
COMPRESSION:NONE
OLDFILEUID:NONE
NEWFILEUID:0F7418F4-27DD-4ED1-968E-60D792642CA9

<OFX><SIGNONMSGSRSV1><SONRS><STATUS><CODE>2000<SEVERITY>ERROR<MESSAGE>[ofx.unsupportedClientApplication]
Client application or version is not supported by this server.
[ref: 20110518134244.555]</STATUS><DTSERVER>20110518134244.555[0:CST]<LANGUAGE>ENG<FI><ORG>Penson Financial Services Inc<FID>10780</FI></SONRS></SIGNONMSGSRSV1><INVSTMTMSGSRSV1><INVSTMTTRNRS><TRNUID>8CCCCD65-13AF-4464-8990-5A0E108ACA3E<STATUS><CODE>15500<SEVERITY>ERROR</STATUS><CLTCOOKIE>4</INVSTMTTRNRS></INVSTMTMSGSRSV1></OFX>

-------------------------

I am sending this request to them. I have removed my username, password and account number for obvious reasons. Is there something I am doing wrong?? This was working about 1 month ago. Thank you!!

OFXHEADER:100
DATA:OFXSGML
VERSION:102
SECURITY:NONE
ENCODING:USASCII
CHARSET:1252
COMPRESSION:NONE
OLDFILEUID:NONE
NEWFILEUID:0F7418F4-27DD-4ED1-968E-60D792642CA9

<OFX>
<SIGNONMSGSRQV1>
<SONRQ>
<DTCLIENT>20110518095233.000
<USERID>username
<USERPASS>password
<LANGUAGE>ENG
<FI>
<ORG>Penson Financial Services Inc
<FID>10780
</FI>
<APPID>Money
<APPVER>1600
</SONRQ>
</SIGNONMSGSRQV1>
<INVSTMTMSGSRQV1>
<INVSTMTTRNRQ>
<TRNUID>8CCCCD65-13AF-4464-8990-5A0E108ACA3E
<CLTCOOKIE>4
<INVSTMTRQ>
<INVACCTFROM>
<BROKERID>penson.com
<ACCTID>Accountnumber
</INVACCTFROM>
<INCTRAN>
<DTSTART>19000101
<INCLUDE>Y
</INCTRAN>
<INCOO>Y
<INCPOS>
<DTASOF>20110518095233.000
<INCLUDE>Y
</INCPOS>
<INCBAL>Y
</INVSTMTRQ>
</INVSTMTTRNRQ>
</INVSTMTMSGSRQV1>
</OFX>