[y_thelastknight]

Originally Posted by Logrim

Yup. i try that, buy its only unninstall when for example there's not bin in the src .. when i click in cancel button dont delete anything. All in my installer work ok, but cancel button delete not :d

for this error i suggested this fix.. is this fine?

under this lineprocedure CurStepChanged(CurStep: TSetupStep);

  if (CurStep=ssInstall) and (ISDoneError = True) then begin
    DelTree(ExpandConstant('{app}'), True, True, True);
  end;