Hi All,
I am new user of Radioss and was running a small model
i am getting this error 
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Microsoft Windows XP [version 5.1.2600]
© Copyright 1985-2001 Microsoft Corp.
\SALIM-DATA\Radioss-test\4Dec2008>D:/applications/Altair/hw8.0sr1/rd/radioss_exe/e44t_wnt.exe  0<crashD01 
 ** ERROR: FILE bumperR00 NOT FOUND
 E R R O R     T E R M I N A T I O N
 TOTAL NUMBER OF CYCLES  :       0
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can any on please guide me how do i proced for it
also if u have any info about how do i start learing radioss please help
Salim KHAN