Firstly, please rephrase your Q to something meaningful related to your question - perhaps "Relative Reference Issue"
Secondly, ROWS(C9:G9) will always be 1 as there is one row in the range... it strikes me you want to perhaps think about switching to COLUMNS or rewriting:
=IF(COUNTIF(C9:G9,"<>x"),"Not ","")&"Complete"
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