order of collection wizard

order of collection wizard

i have a process i want to run on our PCs.  I want to first send a message box that will say we are going to update a program.  then if that program is running kill the process and then copy a file that is running.  If i build a collection i can choose custom script, file and folder operation and message box.  It seems to always put the custom script first but i want it to be second and wait 60 seconds before it copies the file.  Thanks

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