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Event 808 - UNIDRVUI.DLL fails to load, Print Service error
I've researched this and no one seems to have a solution. I'd like some help drilling down into the problem to diagnose it.
The 808 will occur twice each time a document is printed from an MS Office application regardless of the printer model. Some people report some printer malfunction but others have few external symptoms.
Reinstalling the driver doesn't help nor does changing out the UNIDRVUI.DLL This file appears to be provided by the printer manufacturer although there is a default one for Windows as well.
It appears to me that the MS office application is sending a command to load the Universal Driver User Interface. The file fails to load.
Question - if we are sending a document to the printer, why would a user interface load? Doesn't that mean like a dialog box? What is it's purpose? Has a printing error occured that needs the users attention? What is the code from MS office that calls UNIDRVUI.DLL? Is there another way to load it so we can look at it?
Geoffrey
Log Name: Microsoft-Windows-PrintService/Admin
Source: Microsoft-Windows-PrintService
Date: 25/5/17 08:40:46
Event ID: 808
Task Category: Initializing
Level: Error
Keywords: Print Spooler
User: CoolerMaster-PC\Geoffrey
Computer: CoolerMaster-PC
Description:
The print spooler failed to load a plug-in module C:\Windows\system32\spool\DRIVERS\x64\3\UNIDRVUI.DLL, error code 0xc1. See the event user data for context information.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-PrintService" Guid="{747EF6FD-E535-4D16-B510-42C90F6873A1}" />
<EventID>808</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>36</Task>
<Opcode>12</Opcode>
<Keywords>0x8000000000020000</Keywords>
<TimeCreated SystemTime="2017-05-25T01:40:46.517705300Z" />
<EventRecordID>4032</EventRecordID>
<Correlation />
<Execution ProcessID="1488" ThreadID="976" />
<Channel>Microsoft-Windows-PrintService/Admin</Channel>
<Computer>CoolerMaster-PC</Computer>
<Security UserID="S-1-5-21-3009858439-3883855071-2290318543-1000" />
</System>
<UserData>
<LoadPluginFailed xmlns:auto-ns3="http://schemas.microsoft.com/win/2004/08/events" xmlns="http://manifests.microsoft.com/win/2005/08/windows/printing/spooler/core/events">
<PluginDllName>C:\Windows\system32\spool\DRIVERS\x64\3\UNIDRVUI.DLL</PluginDllName>
<ErrorCode>0xc1</ErrorCode>
<Context>112</Context>
</LoadPluginFailed>
</UserData>
</Event>