OK - update complete. Also send you in email some hints about how to diagnose what happens if issue still exists.
One more hint: think about disabling some languages if your actual forum cannot handle all of those.
ALSO VERY IMPORTANT! Please fallow hints under link below. I see right now that you didn't block irrelevant pages in robots.txt, so you definitively can improve your performance. Details here: http://www.vbenterprisetranslator.co...rformance.html