Horde, error changing password

[Simius]

Hi, attempting to change the password for any accout from horde results in this error:
Warning: fsockopen() [function.fsockopen]: unable to connect to localhost:106 in C:\Inetpubv\hosts\webmail\horde\passwd\lib\Driver\poppassd.php on line 41

Warning: Cannot modify header information - headers already sent by (output started at C:\Inetpub\vhosts\webmail\horde\passwd\lib\Driverpoppassd.php:41) in C:\Inetpub\vhosts\webmail\horde\passwd\templates\common-header.inc on line 4

Warning: Cannot modify header information - headers already sent by (output started at C:\Inetpub\vhosts\webmail\horde\passwd\lib\Driver\poppassd.php:41) in C:\Inetpub\vhosts\webmail\horde\passwd\templates\common-header.inc on line 5

Any suggestion?
Thanks you!

 

[Shaka]

Same error here:

Warning: fsockopen() [function.fsockopen]: unable to connect to localhost:106 in D:\inetpub\vhosts\webmail\horde\passwd\lib\Driver\poppassd.php on line 41

Warning: Cannot modify header information - headers already sent by (output started at D:\inetpub\vhosts\webmail\horde\passwd\lib\Driver\poppassd.php:41) in D:\inetpub\vhosts\webmail\horde\passwd\templates\common-header.inc on line 4

Warning: Cannot modify header information - headers already sent by (output started at D:\inetpub\vhosts\webmail\horde\passwd\lib\Driver\poppassd.php:41) in D:\inetpub\vhosts\webmail\horde\passwd\templates\common-header.inc on line 5

Does anybody reads this?