After compacting shows % reduced. Click on okay then screen goes blank. Have to restart ftm. Last file not reconized. Have to do arestore from last backup. I do backups constantly to ensure that I do not lose any date. 2014 Canadian Edition not currently available. Have 1 tetrebyte storage, 8 gb ram. 64 bit. i7 computer. Ancestry suggested compacting a closed file. Worked on another computer okay with 36,890 files. Does not work on main computer (laptop) for FTMwith 37,420 files. Ancestory also suggesteddoing a Extended Family Chart to exclude corrupt individuals. Never completed after running 14 hours.