Morning Rosalie86 try from regedit HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdrom check what the value is 0=off 1=on Also burning software can put another value/entry called noautorun or similar. To be honest Rosalie86,most people prefer to have autoplay off,and if its not one the fixes already tried, it can be a bit of a mare to sort.
You may be quicker doing a SFC /scannow system file check. Hopefully someone else will be able to give further advice good luck
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