Unable to update hosting preferences: The file exists. (Error code 80)

[md5sal]

Hi, when i try to tick the SSL support and click ok button, this error occur.

Error: Unable to update hosting preferences: Unable to reconfigure Web server: websrvmng failed: The file exists. (Error code 80) at GetTempFileName in E:\Program Files\SWsoft\Plesk\admin\db\

Here the details from event viewer:

Event Type: Error
Event Source: websrvmng.exe
Event Category: None
Event ID: 1
Date: 11/16/2010
Time: 10:42:56 AM
User: N/A
Computer: KAMAL
Description:
The file exists. (Error code 80) at GetTempFileName in E:\Program Files\SWsoft\Plesk\admin\db\
at (tempFileName line 195)
at configHosting(xxxx.xxx.xx)(WebServerAdapter::configHosting line 519)
at configHosting(xxxx.xxx.xx)(WebServerManager::configHosting line 2448)
at execute console command --reconfigure-vhost(vconsoleapp::start line 128)
at execute "E:\Program Files\SWsoft\Plesk\/admin/bin/websrvmng" --reconfigure-vhost "--vhost-name=xxxx.xxx.xx" "--config=<update context=\"domain\"><ssl/></update>"(vconsoleapp::run line 138)
Execute file name: E:\Program Files\SWsoft\Plesk\admin\bin\websrvmng.exe

Any idea how to fix this problem? Thanks.