"if w" strange behavior...

[Kevin]

can simplify this a lot .
This will check if notepad window exist and activate it or run it and activate it 
Function Function45

Code:

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int w
run "$system$\notepad.exe" "" "" "" 0x800 win("" "Notepad") w
out w
rep()
,0.01
,if w
,,mov+ 0.5 0 0.5 1.0 w 4
,,break