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A CD-RW (Compact Disc-ReWritable) is designed to be able to write, read, erase, and re-write.
The write protect option has few relationship with the system version, only related to the type of CD itself.
The CD/DVD driver that comes with the system can only read the discs, if you want to write data, you need to use third-party software.
As far as I know, there is a registry value related to the write-protected issue, you can check the path: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies.
Double click WriteProtect and check if the value data is 1.
If there is no “StorageDevicePolicies” under Control, you can right click "Control" and go to “New”->”Key”. Then name it with “StorageDevicePolicies”.
Then, at the right-hand pane, right click white space and go to “New”->”DWORD (32-bit) value” (If your computer is 64-bit version, choose QWORD (64-bit) Value). Name it with “Write Protect”.
Finally, double-click the newly created DWORD and check if its value is 1.
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