Crone is something that I automatically run by the server.. please any one who can help...

I have cron to run every day 12 am I have set that page but I get error message to my mail address

/bin/sh: /home/myre1378/public_html/expired.php: Permission denied

and

/bin/sh:...

i have created paypal sandbox account and while process i got message you will get confirmation mail click on the link to activate.. But issue is i have still not got mail since 1 week

I have created sandbox account on google but not got merchant id and merchant key

I have created sandbox account for google checkout and account is created but i have not got my merchant key and password so that i can test

after work.php "?" is used for attaching the parameter and id=3 is the parameter.. used for next action

after work.php (?id=2) is use to pass parameter to other page or other action

I have got wamp server installed i was running perfectly but now suddenly it is nt starting it is showing loading process. I have uninstalled it and again installed still same problem... plz help me