Linux shell doesn't execute my c program

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http://stackoverflow.com – After some server update I am no able to execute an C program (it was working yesterday and something was changed in my server causing this problem). I've at this folder /home/int/exe/ a c program named aesdecript with 777 permission. So if type the following commands as root: $ cd /home/int/exe/ $ ./aesdecrypt -bash: /home/int/exe/aesdecrypt: No such file or directory $ sh aesdecrypt aesdecrypt: 1: Syntax error: "(" unexpected $ ldconfig aesdecrypt ldconfig: relative path `aesdecrypt' used to build cache $ system("/home/int/exe/aesdecrypt") -bash: syntax error near unexpected token `"/home/ (HowTos)