Answers

2016-06-23T18:53:56+08:00
It means not effective 

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not producing or having the effect you want : not effective
yeah
2016-06-23T18:54:43+08:00

not producing or having the effect you want : not effective

Source: Merriam-Webster's Learner's DictionaryExamples: ineffective in a sentence    Full Definition of ineffective1:  not producing an intended effect :  ineffectual <ineffective lighting>2:  not capable of performing efficiently or as expected :  incapable <an ineffective executive>
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