Mission Planner 1.3.76 HDD loading 100% after start

Ground Control Software Mission Planner
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After startup 5-10 minutes, disk “E” 100%, later HDD is normal
Logs are stored on disk “E”
Antivirus ON / OFF, COM port connect / disconnect - no difference
[Screenshot by Lightshot])
[Screenshot by Lightshot])
[Screenshot by Lightshot])