I suspect the program was linked/compiled with a different path specification for libraries. Try copying the egavga.bgi file to the working directory- i.e., the directory in which you initialize the program...

You may need to change where the root dir is defined, or where the program is looking for the BGI files.

You can solve this problem by two methods.

One is, you can change the path of graphic library. Select Option and then Directories in main menu. in graphic library text box, give the full path like <drive>:\ <dir>\bin\bgi

or the other option is to specify the full path in your source program where you are using the file name "egavga.bgi". Write the path in following manor,

"C:\\BorlandC\\bin\\bgi\\egavga.bgi"