I have experienced the following problem randomly:
If I modify an existing job and save it, it caused another 24 X 7 job running immediately. I am running version 3.1

This was fixed a long time ago. Please upgrade. The upgrade is free and can be found at http://www.24x7automation.com/download.htm

: I have experienced the following problem randomly: If I modify an existing
: job and save it, it caused another 24 X 7 job running immediately. I am
: running version 3.1

I am on Ver 3.1, can I upgrade to latest version for free?

: This was fixed a long time ago. Please upgrade. The upgrade is free and can
: be found at http://www.24x7automation.com/download.htm

Sure you can.

Just a reminder for everybody, all upgrades for the major version are always free.

: I am on Ver 3.1, can I upgrade to latest version for free?