Spell check causes crash

[kb5cth]

Here it is. I removed my registration name. Oddly, the problem isn't consistent. This morning it didn't do it.

Ultra Recall Professional 5.3
Copyright © 2004-2017 Kinook Software, Inc.
Registered to: ????? (1-user license)
Windows version: Windows 10 Home
Install path: C:\Dads\Programs\Ultra Recall
hrs32.DLL version 5.0.1.3
HTS11.DLL version 11,0,2,3
mimepp.dll version 3.0.4
OldUltraRecall5204.exe version 5.2.0.7
PolarSpellChecker.dll version 4.0.5.4
SftPrintPreview_IX86_U_20.dll version 2.04
TER16.DLL version 16.0.5.0
UltraRecall.exe version 5.3.0.2
C:\WINDOWS\SYSTEM32\MsftEdit.dll version 10.0.14393.0 (rs1_release.160715-1616)
C:\WINDOWS\SYSTEM32\RichEd20.dll version 5.31.23.1231
Database filename: C:\Dads\My Documents\My Life.urd
Database version: 4.0.1 [FTS]