On 02-17-98, CHRIS HOLTEN said to ANYONE WHO HAS SEEN THIS:
CH>This is one that I've never seen before. Hopefully I'm just overlooking
CH>something real simple. In NT 4.0 workstation I get the following Error
CH>when I try install a printer and test print it:
CH>"Operation could not be completed. Print Processor is unknown".
All I could find in Technet was this:
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The print processor is unknown.
[Kernel32]
The print processor is a dynamic-link library (DLL) which calls the printer
driver. An application has tried to use a print processor which has not been
installed on your computer.
Contact your system administrator to check the software that has been
installed on your computer. If the required DLL cannot be installed on your
system, you may have to contact the supplier of the running application.
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And this from the web site search:
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Error Message: "Print Processor Is Unknown"
Last reviewed: January 5, 1998
Article ID: Q153355
The information in this article applies to:
Microsoft Windows NT Workstation versions 3.5, 3.51, and 4.0
Microsoft Windows NT Server versions 3.5, 3.51, and 4.0
SYMPTOMS
When you attempt to print or connect to a print queue, the following
error message may appear:
Could not connect to the printer  because the print
processor is unknown.
CAUSE
This error message may be caused by either of the following:
The default print processor Winprint.dll is missing on the
computer. This file should be located in the following directory:
%Systemroot%\System32\Spool\Prtprocs\W32x86
-or-
The winprint key is corrupted or missing from the registry in the
following location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\
Environments\Windows NT x86\Print Processors\
RESOLUTION
If the Winprint.dll file is missing, expand Winprint.dl_ from the
Windows NT installation CD to the
%Systemroot%\System32\Spool\Prtprocs\W32x86 directory.
If the winprint key is missing from the registry. you must use Registry
Editor to add it. Use the steps below to add the winprint key to the
registry:
WARNING: Using Registry Editor incorrectly can cause serious,
system-wide problems that may require you to reinstall Windows NT to
correct them.
Microsoft cannot guarantee that any problems resulting from the use of
Registry Editor can be solved. Use this tool at your own risk.
1.Run Regedt32.exe
2.Navigate to the following registry location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print
\Environments\Windows NT x86\Print Processors\
3.Click to select the Print Processors key.
4.On the Edit menu, click Add Key, and then type "winprint" (without
the quotation marks) in the Key Name field of the Add Key dialog box
(leave the Class field blank).
5.Click to select the winprint key. On the Edit menu, click Add
Value.
6.Type the following values in the Add Value dialog box and then
click OK:
Value Name: Driver
Data Type: REG_SZ
7.For the String Value, type "winprint.dll" (without the quotation
marks), and click OK.
8.Restart the computer. After the computer restarts, you should be
able to add printers.
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