Use this only if all other troubleshooting methods have not worked.
Open Windows Services.
Click Action → Create Custom View.
Under Logged: select a relevant time frame.
To define a relevant time frame, it's a good idea to know if/when the service stopped running last. You can identify an approximate time by /wiki/spaces/DINPIE/pages/2019393586.
If you not sure, select 'Last 7 days'.
Ensure the By Log radio button is selected.
In the Event logs drop bown box, expand Windows Logs and select Application & System.
In the By Source drop down box, select all that are listed below (bearing in mind that some may not be listed at all):
MessageTransmitter
Message Transformer
Service Control Manager
Service Control Manager Perfomance Diagnostics
Click OK.
Change the Name to EFM - OneFlo - Order Lookup.
Change the Description to EFM - OneFlo - Order Lookup.
Click OK.
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Remember to turn this off when troubleshooting is complete