When i wanna connect to server it says:

11.09.2005 2:18:22|World Community Grid|Sending scheduler request: Project initialization
11.09.2005 2:18:22|World Community Grid|Requesting 1 seconds of new work
11.09.2005 2:18:24||Project communication failed: attempting access to reference site
11.09.2005 2:18:25||Access to reference site succeeded - project servers may be temporarily down.
11.09.2005 2:18:28|World Community Grid|Scheduler request failed: peer certificate cannot be authenticated with known CA certificates
11.09.2005 2:18:28|World Community Grid|Deferring communication for 1 min 0 sec
11.09.2005 2:18:28|World Community Grid|Reason: scheduler request failed

I tried to reload different project files. clear my local profile - nothing works, What shall I do?

Thanks 4 help.