Problem with runtask.exe

[Alyssond]

Hi, My plesk run 8.6 version under Windows 2003
Today I Host 220 Domains and now im this issue:

Unable to connect to pipe \\.\pipe\PSA_pipe {110D2F0F-F073-4021-AB73-C7886FB9BD1E}
at (Con::ClientOverlappedPipe::create line 508)
at Unable to execute event(runtask::start line 210)
Execute file name: C:\Program Files\Parallels\Plesk\admin\bin\runtask.exe

The statistics is not working anymore. I Stop the services and start but not resolve. I restart the server and the problem still happen.
What can I do?

 

[Alyssond]

Im testing this solution http://forum.parallels.com/showthread.php?t=75686