Webmail problem

[vinhwsu]

Hello,

webmail problem,
after install plesk 6.5.2 I try to login to webmail, I got the following error message:

Warning: touch(): Unable to create file C:\WINDOWS\Temp\horde.log because Permission denied in F:\inetpub\vhosts\webmail\horde\pear\Log\file.php on line 107

Warning: chmod(): Permission denied in F:\inetpub\vhosts\webmail\horde\pear\Log\file.php on line 108

Warning: Cannot modify header information - headers already sent by (output started at F:\inetpub\vhosts\webmail\horde\pear\Log\file.php:107) in F:\inetpub\vhosts\webmail\horde\imp\redirect.php on line 112

can someone help me to fix this problem?

Thanks