If you happen to come across this error it can have multiple causes.

Here is an example of how it looks (in french)

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Fact:

- Re-installing the driver does NOT fix the error.

- Erasing and to let the system to re-install does NOT fix the error.  

Fix:

- Check in the registry under HKLM\SYSTEM\CurrentControlSet\Control\Class and find the device that gives you the problem.  In this case, it was a Tape Driver. Look in each Class to find the description matching the error.

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- In the correct device, class erase the LowerFilters key.
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- Restart the server.

Now it should work!  

A reference (it shows another code 19 error): http://technet.microsoft.com/en-us/library/cc772156(v=ws.10).aspx