Windows cannot access the specified device, path or file. You may not have appropriate permissions to access the item. On a CD-ROM

OK so here's my issue, i'm getting the following error when attempting to access my DVD-ROM to play a movie. This is a recent development, i haven't installed any new software on my system.

Windows cannot access the specified device, path or file. You may not
have
appropriate permissions to access the item.

I get this whenever I try to access/play a dvd on my system. I unlocked the administrator's account and logged in under that and everything works OK. There is no security tab for altering the security settings on the DVD drive. I'm really perplexed as to what is causing the security issue.

Does anyone have any thoughts about this?

Thanks

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Windows cannot access the specified device, path or file. On a CD-ROM