Often began to appear "Internal Server Error"

[kron]

Yesterday, for 3-5 minutes could not enter into any subject ...
see the text at the bottom

Today too few times "pop up"

A server is temporarily overloaded?
or as usual?


"Internal Server Error


The server encountered an internal error or misconfiguration and was unable to complete your request.


Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error.


More information about this error may be available in the server error log.

Apache/2.2.22 (Ubuntu) Server at forum.artinvestment.ru Port 80 "