Sysload Agent for Windows : process sldrmd.exe crashes when agent is starting

Issue/Introduction:

Affects Release version(s): 5

Error Message :
The sldrmd.log of the agent contains lines like the folllowing:

==================================================================================
=== Start Sysload Agent v5.80 DD MM HH:MM:SS YYYY
...
DD MM HH:MM:SS YYYY: coll - Reallocating 131072 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 196608 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 262144 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 327680 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 393216 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 458752 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 524288 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 589824 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 655360 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 720896 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 786432 bytes for PerfBuffer
DD MM HH:MM:SS YYYY: coll - Reallocating 851968 bytes for PerfBuffer
==================================================================================

Patch level detected:Sysload Agent for Windows 5.80
Product Version: Sysload 5.8.0

Description :The collector ( process sldrmd.exe) crashes after a few seconds when the Agent is started.
The log ( sldrmd.log) contains this kind of line at the end:

##############
DD MM HH:MM:SS YYYY: coll - Reallocating 851968 bytes for PerfBuffer
##############

Cause:

Cause type:
Defect
Root Cause: N/A

Environment:

OS: Windows

Resolution:

Update to the fix version listed below or a newer version if available.

Fix Status: Released

Fix Version(s):
Component: Agents
Version: Sysload 5.8.0
5.80b (build 121.12)

Additional Information:

Workaround :
N/A