Windows 8.1 (circa 2013 Asus ROG G75VW laptop that isn't exactly in great condition :)
SciTE 5.2.2 (extracted from zip file)
(Old SciTE 2.1 installed from Bruce Dodson installer on system and running as well...)
In File Explorer window in SciTE 5.2.2 program folder:
Attached SciTEGlobal.properties includes modification
I've made no attempt to verify this problem under minimal conditions
Actual problem is an empty open.filter property.
Fixed with [1598cd].
Related
Commit: [1598cd]