<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.14.3

Error message:
Error reading RemoteDriveView.Indent: Access violation at address 008F3D13 in module 'WinSCP.exe'. Read of address 00000044

Stack trace:
(00512D13)

(0048F757)
(0048F991)
(0048F185)
(0048F167)
(0049CDE1)
(001D5390) @Vcl@Controls@TWinControl@ReadState$qqrp22System@Classes@TReader
(0048EFDF)
(0048F1F9)
(0048F167)
(0049CDE1)
(001D5390) @Vcl@Controls@TWinControl@ReadState$qqrp22System@Classes@TReader
(0048EFDF)
(0048F1F9)
(0048F138)
(0049CDE1)
(001D5390) @Vcl@Controls@TWinControl@ReadState$qqrp22System@Classes@TReader
(002493DF) @Vcl@Forms@TCustomForm@ReadState$qqrp22System@Classes@TReader
(00490113)
(00489FDE)
(0047F963)
(004812B7)
(0048128C)
(00481345)
(00248A5F) @Vcl@Forms@TCustomForm@$bctr$qqrp25System@Classes@TComponent
(00005B67)
(00005127)
(0006B650) @@Scpcommander@Finalize
(00256431) @Vcl@Forms@TApplication@CreateForm$qqrp17System@TMetaClasspv
(00A1EBC2)
(000E049B)
(000E0470)
(001269E7)
(00003181)
(00A7BB31)
(00062AB6) ntdll.dll.RtlAreBitsSet
(00062A83) ntdll.dll.RtlAreBitsSet

The problem happens rarely. I cannot reproduce it.