Spooler Subsystem Application not working, stopped and Closed

I have printer issues with Vista. The error message occurs every 3 - 4 minutes. Can you help? The error log is as follows.

Log Name: Application
Source: Application Error
Date: 17/09/2008 11:15:18 a.m.
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer:
Description:
Faulting application spoolsv.exe, version 6.0.6001.18000, time stamp 0x4791956c, faulting module ntdll.dll, version 6.0.6001.18000, time stamp 0x4791a7a6, exception code 0xc0000374, fault offset 0x000b015d, process id 0x830, application start time 0x01c91851aa1b7d0b.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2008-09-16T23:15:18.000Z" />
<EventRecordID>956201</EventRecordID>
<Channel>Application</Channel>
<Computer> </Computer>
<Security />
</System>
<EventData>
<Data>spoolsv.exe</Data>
<Data>6.0.6001.18000</Data>
<Data>4791956c</Data>
<Data>ntdll.dll</Data>
<Data>6.0.6001.18000</Data>
<Data>4791a7a6</Data>
<Data>c0000374</Data>
<Data>000b015d</Data>
<Data>830</Data>
<Data>01c91851aa1b7d0b</Data>
</EventData>
</Event>