ERROR *** AGENT => Failed to write Prolog Frequency

I installed .msi according to documentation
now it's happening this error

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Starting OCS Inventory NG Agent on Tuesday, September 13, 2016 10:53:56.
AGENT => Running OCS Inventory NG Agent Version 2.1.0.3
AGENT => Using OCS Inventory NG FrameWork Version 2.1.0.3
AGENT => Loading plug-in(s)
AGENT => Using network connection with Communication Server
AGENT => Using Communication Provider <OCS Inventory NG cURL Communication Provider> Version <2.1.0.3>
AGENT => Sending Prolog
AGENT => Prolog successfully sent
SUPPORT => No support detected, Registration key : N/A
ERROR *** AGENT => Failed to write Prolog Frequency <Error code 5 = Access denied.  >
AGENT =>  Communication Server ask for Package Download
ERROR *** DOWNLOAD => Can't register package <1473771079> into Registry
ERROR *** DOWNLOAD => Can't register package <1473689188> into Registry
DOWNLOAD => Download and setup tool successfully started
AGENT => Unloading communication provider
AGENT => Unloading plug-in(s)
AGENT => Execution duration: 00:00:01.