Please allow us to inform you that all of our products are manufactured on strong hardware platform to sustain daily usage. However, we regret to learn about your experience and since you had faced issues while using this Memory Card, we suggest you to contact us directly so that we can investigate further to know more about your issue in order to isolate the possibilities and provide you with an appropriate resolution. SanDisk® stands behind its commitment to quality and warranty on its products. We will also check if your Memory Card is eligible for a possible replacement. Please contact SanDisk® Support at www.sandisk.com/support and we will assist you towards the best possible resolution.