Data Protection Express and error code 59

[Eddy_7]

I'm using the following HP Data Protection Express Single Server Edition on Server 2003 64bit and the version is shown as below.
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Data Protector Express Service Control Manager
Version 4.00 (Build 39702)
Copyright (c) 2008 Hewlett Packard Development Company, L.P.
Status : Running Service
: The service is running
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I get following error after reboot server and now cannot login to the Protection Express.
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Error Code: 59 (0x3b)
Message: service not found
The desired service was not found. Either the service is no longer active, or the machine providing the service is unavailable at this time.
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How can I fix it, Thanks.