[Ilugc] could not launch application - failed to execute child process

[Mahalingam Subramaniam]

Dear all
I recently downloaded and installed firefox 1.5.0.12 in place of FF 3.0.1. I am not able to launch the application -FF1.5. through application icon on executing which I am getting the errror message that " could not lanuch application, failed to execute child process /usr/lib64/firefox-3.0.1/firefox" No such file or directory.
May I request your help in solving this issue?
with kind regards
s.mahalingam