Hi... I am using Auto CAD 2011.... I was doing rendering the whole night and it went cool.. but just now... i saw an error msg..  it said...The image file for this rendering entry could not be found...Can somebody plz help me... I really don't know what to do now...PLEASE.. HELP.. ME.....

Hi again..... u know.. my pc crashed that day after using auto cad for over 12 hours... :S   i waited ... and then... around two or three hours.. i started again... then..i did the rendering again.. it took about 30 mins to do it.. coz i have put many materials and lighting... then..luckily..that error msg didn't show up... and i could save it as jpeg.. Thank God...some of my friends also met same problem.. but..after restarting the computer.. the problem's solved...ha ha..mystery.. :)))