My nightly/daily recalcs stop when IQ doesn't have the focus.

The problem appeared with v86 for the first recalc, but then the problem mysteriously disappeared... to reappear with 87. Maybe will it disappear after the firs complete recalc. Will see.

 

Small question:

Background recalc is unchecked in my options:

 

 

 

What does it do? I couldn't find any info about it.

(checking/unchecking this option doesn't seem to make any difference. )