Classic ASP Connection string for Oracle 11g - ORA-12557: TNS:protocol adapter not loadable

Problem: Error occurred when the following code is attempting to connect using Oracle connection string; Environment variables for oracle connection has been set but the problem is persistent; how to fix this issue; your help is highly appreciated 


Environment Variables: E:\Oracle\product\11.2.0\client_1\BIN;E:\Oracle64\product\11.2.0\client_1\BIN;....

Code: The following code lines is written in classic asp to display the cafe name; simple code. 

 set strtemp=Server.CreateObject("adodb.connection")
strtemp.open="Connection Timeout=10;Provider=OraOLEDB.Oracle;Data Source=Mocha;User Id=XXXX;Password=XXXXX;"

Call uga_ConnOpen(cnnBFSG,strtemp,"","")			
strSQL="Select coffee_name from LuLu.Mochalaka where LuLu.Mochalaka_VW.cafe_ID=16051"
call uga_RecSetOpen(cnnBFSG,rstSG,strSQL)

			
			Cafe=""
			Do While Not rstSG.EOF
				Cafe=rstSG("coffee_name")
				rstSG.MoveNext
			Loop
			rstSG.close
                     response.write("Coffee is "& Cafe)
                   response.end

Error: 
OraOLEDB error '80004005' 
ORA-12557: TNS:protocol adapter not loadable