Installed 10.4.8 (PPC) - now my Apple DVD won't work

After installing the 10.4.8 update on my G4 laptop my Apple DVD Player app won't work, saying "A valid DVD drive could not be found [-70012]?
What happend and how do I fix it?

Repair permissions and restart. Check System Preferences->CDs & DVDs, check the settings, and try again. Move the com.apple.DVDPlayer.plist file from ~/Library/Preferences/ to the desktop and try again. Run the System Profiler app and see what it says for the device.
Is the DVD drive internal or external? What kind of Mac? Other options are to create anothe admin user account, log into it, and see if it'll work.
BTW, it's not the update. Mine works fine and has for the past six years through 10.1 through 10.4.8.

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Hello Rickpoulette,
The following article provides further information and could very well help get your Apple TV and your television cooperating again.
If HDCP authentication does not succeed, you may see one of the following symptoms:
A message may appear on your television stating "This content requires HDCP for playback. HDCP isn't supported by your HDMI connection."
You may see periodic bands of static, or full screen static, flashing across your TV screen.
If you are experiencing either of the symptoms above, try playing the same content again for at least another 10 seconds. If the issue persists, try the following steps until the issue is resolved:
Connect your Apple TV (2nd generation) directly to your HDTV using an HDMI cable.
Set your Apple TV and HDTV to off or sleep mode
From the Apple TV interface, select: Settings -> Sleep Now.
Turn off your TV and wait for about 10 seconds.
Turn your TV back on.
Press the Select button on your Apple TV remote to wake your Apple TV.
Some HDTVs may need a firmware update. Consult your TV manufacturer's user manual or online support pages for additional information about how to update your TV's firmware.
If available, try using a different HDMI to HDMI cable, such as an Apple HDMI to HDMI cable, directly between your Apple TV (2nd generation) and 720p HDCP-compatible HDTV.
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http://support.apple.com/kb/HT4428
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I upgrades my mac operating system to OSX 10.9.4 and now my Dreamweaver CS5 won't work, it just quits unexpectedly. please help.

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Installed 10.4.8 (PPC) - now my Apple DVD won't work

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