How to auto SFV sheck when file transfer is done?

[MxxCon]

did you read Changelog for FlashFXP 2.1?

Added program execution after transfer complete.
To use this functionality you must add the following section to the FlashFXP.ini
[run]
app=<full\path\to\exe>
param=<any params you need to pass, use the %f macro to pass the filename>
show=1
show application window has two values 0=hidden 1=visible

Simple Example
[run]
app="c:\vscan.exe"
param="/scan %f"
show=0