Search outside of Google for cause of affliction (7)
I believe the answer is:
scourge
'cause of affliction' is the definition.
(I've seen this in another clue)
'search outside of google' is the wordplay.
'search' becomes 'scour' (scouring is a kind of searching).
'outside of' suggests removing the centre (only letters on the outside of the word).
'google' with its centre taken out is 'ge'.
'scour'+'ge'='SCOURGE'
'for' is the link.
(Other definitions for scourge that I've seen before include "source of evil" , "Affliction - whip" , "One causing great suffering; whip" , "Plague; whip" , "Whip - bane" .)