Cannot operate could be the disc itself (defective) or the DVD drive (defective in need of repair or replacement) itself. However this is how to complete the update in detail.
The update file can be found here
http://www.sharpusa.com/CustomerSupport/ProductDownloads.aspx
Select bluray disc players
model not listed
type in model number
Then click on search
Click on the instructions and read thme if you need to. If you do not need to read the instructions click on the firmware and save it to your desktop. After the download has completed open the folder and click on extract all files under folder tasks, which should be on the left of the window nearer to the top.
At this time insert a 1, 2 or 4 GB flash drive into your computer. Then in the window click on next if you need to or browse and then my computer and then the icon of the usb device itself. Click on extract or next. When it is done safely remove the usb device from your computer by clicking on safely remove hardware located near the time on the bottom right hand side of the computer monitor.
Click on the usb device and click on stop. Remove it from the computer and place it in the back of the bluray player. Turn the tv and bluray player on as if you were going to view a bluray. There shouldn't be any discs inside. Press the setup button on the bluray remote control. Choose settings. Choose software update. Begin the update. After it is completed turn off the bluray player before removing the usb device.
If the usb device needs to be reformatted or if the zip file folder is placed on the usb device instead of the extracted file the download will not be successful.