IbController installation

when I registard AmiBroker...I went thru the prcosses of getting all my keys and installed IbController followed instruction and placed
ibc = GetTradingInterface("IB"); on a chart formula and controller launched and
click on the controller and it suscessfully registard it.... a week later my pc crashed and I had to redo evrthing....for the life me I can not get it launched t from the chart...i get error on chart file not found....I have placed it here C:\Program Files (x86)\AmiBroker and C:\Program Files\AmiBroker and on C drive...I dont remember doing anything differnetly...any advice is appreciated!