"Exclude Process" adds that process to processes excluded from Data Protector
Presumably "quiltpatternindexer.exe"
https://support.norton.com/sp/en/us/norton-360-deluxe/current/solutions/v130571264
FAQ: Norton Data Protector
https://support.norton.com/sp/en/us/home/current/solutions/v132149446
Please review: related thread where I've posted Norton Insight, Process Exclusions, Data Protector pics
https://community.norton.com/en/forums/program-blocked-data-protector
Please review: Data Protector is protecting AppData\Local\Temp folder
https://community.norton.com/en/forums/data-protector-protecting-appdatalocaltemp-folder
Regarding the "innocuous program installed on my laptop - Quilt Pattern Indexer"
Please check File Insight against all file types that File Insight checks...for example: exe, sys, dll.
Please check Norton Insight -> Untrusted Files -> Unproven/Poor and if file/s are trusted (by user) -> click the trusted file -> click Trust Now -> Refresh page.
for example:
