Thanks for the response.
I tried that but it says:
Can't locate strings_en.pl in @INC (@INC contains: . /etc/perl /usr/local/lib/perl/5.8.4 /usr/local/share/perl/5.8.4 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.8 /usr/share/perl/5.8 /usr/local/lib/site_perl /usr/local/lib/perl/5.8.3 /usr/local/share/perl/5.8.3 /usr/local/lib/perl/5.8.2 /usr/local/share/perl/5.8.2 /usr/local/lib/perl/5.8.1 /usr/local/share/perl/5.8.1 /usr/local/lib/perl/5.8.0 /usr/local/share/perl/5.8.0) at captcha.pl line 13, <FILE> line 4.
BEGIN failed--compilation aborted at captcha.pl line 13, <FILE> line 4.
Compilation failed in require at kareha.pl line 15, <FILE> line 4.
BEGIN failed--compilation aborted at kareha.pl line 15, <FILE> line 4.
Compilation failed in require at /home/www/admin.pl line 13, <FILE> line 4.
BEGIN failed--compilation aborted at /home/www/admin.pl line 13, <FILE> line 4.
Everything else seems to work fine.