|An unexpected error has occurred in "QuickBooks": Returning NULL QBWinInstance Handle|
Looks like you have error number 4.
"Server Event Log displays EventID: 4
Server Event Viewer logs show the following error(s) flagged as red (critical)
Description: The description for Event ID ( 4 ) in Source ( QuickBooks ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: QuickBooks Enterprise Solutions 8.0, An attempt to LogOff without a logon..
In newer versions of QuickBooks, the same Event ID may also read:
An unexpected error has occurred in "QuickBooks":Returning NULL QBWinInstance Handle
**** The statement "The following information is part of the event: " may be followed by several different messages.
The error(s) will appear on all supported operating systems.
The events being displayed in the Event Viewer are informational only and should not be marked as critical. Unless your QuickBooks users are reporting problems, these events should be ignored.
Intuit is aware of this issue. There is no resolution at this time. Should this status change, additional information will be made available.
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