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No real answer...only what I have experienced...maybe someone may benefit.
In my case, I had upgraded to 3.110 and, sometime later, replaced my Plextor CDR with the Plextor PX-716A (DVD Drive). I immediately had problems with, not only MTU products, but with XP Pro continuing to recognize the Drive.
Just today, August 17, 2005, I went to the Plextor WEB site to look for a DRIVER, as none came with the Drive and, although a DRIVE letter was assigned and viewable in MyComputer, there was NO Listing for the DVD Drive in DEVICE MANAGER. Plextor's WEB site stated that NO DRIVER was necessary because XP already had a Plug and Play Driver.
Back in DEVICE MANAGER, I selected any DEVICE and RIGHT MOUSE Clicked. I selected SCAN FOR HARDWARE CHANGES and, after awhile, DEVICE MANAGER listed my DVD. Once listed, I checked the DVD Properties for the FIRMWARE Version, which was 1.04. I, also, selected DVD REGION and changed the CURRENT REGION to REGION 1.
Then, I checked Plextor's WEB Site for any FIRMWARE Upgrades and found there was a FIRMWARE Upgrade to 1.08.
I downloaded the Upgrade and Installed.
So far, I have turned my Computer OFF and ON 3 times and all is showing Correctly in DEVICE MANAGER and all MTU Products.
So, through all of this, I do not know if any one thing will cause XP or MTU products to permanently recognize a PX-716A or if it is a combination of the saga outlined.
Logically, if the basic OS doesn't continue to recognize a DEVICE, then, one could conclude that programs working under the OS will have problems as well.
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