A script that runs every 5 seconds.

[KevinDA]

Hello, I would like to know if it is possible to make a script that runs every 5 seconds by replacing an address with a value ?

[SunBeam]

by replacing an address with a value

..then your game will crash. That's what you wrote means. Please get accustomed with CE and do the tutorials first, learning the basics, then come with something you created, tested, has problems and we can then talk to help you fix it. Spoon-feeding won't happen; not from me, at least. Maybe others find it in their heart to engage you in conversation. Peace!